Denali Owner's Manual - Chevrolet...GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11 Black...

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2012 GMC Sierra Denali Owner Manual M In Brief ........................ 1-1 Instrument Panel .............. 1-2 Initial Drive Information ........ 1-4 Vehicle Features ............. 1-16 Performance and Maintenance ................ 1-23 Keys, Doors, and Windows .................... 2-1 Keys and Locks ............... 2-2 Doors .......................... 2-9 Vehicle Security .............. 2-10 Exterior Mirrors ............... 2-13 Interior Mirrors ................ 2-15 Windows ..................... 2-16 Roof .......................... 2-19 Seats and Restraints ......... 3-1 Head Restraints ............... 3-2 Front Seats .................... 3-3 Rear Seats .................... 3-8 Safety Belts .................... 3-9 Airbag System ................ 3-20 Child Restraints .............. 3-35 Storage ....................... 4-1 Storage Compartments ........ 4-1 Instruments and Controls .... 5-1 Controls ....................... 5-2 Warning Lights, Gauges, and Indicators ................... 5-12 Information Displays .......... 5-30 Vehicle Messages ............ 5-38 Vehicle Personalization ....... 5-48 Universal Remote System .... 5-57 Lighting ....................... 6-1 Exterior Lighting ............... 6-1 Interior Lighting ................ 6-7 Lighting Features .............. 6-8 Infotainment System ......... 7-1 Introduction .................... 7-1 Radio .......................... 7-9 Audio Players ................ 7-16 Rear Seat Infotainment ....... 7-39 Phone ........................ 7-51 Trademarks and License Agreements ................. 7-59 Climate Controls ............. 8-1 Climate Control Systems .... . . 8-1 Air Vents ....................... 8-7 Driving and Operating ........ 9-1 Driving Information ............. 9-2 Starting and Operating ....... 9-26 Engine Exhaust .............. 9-33 Automatic Transmission ...... 9-34 Drive Systems ................ 9-39 Brakes ....................... 9-44 Ride Control Systems ........ 9-47 Cruise Control ................ 9-50 Object Detection Systems .... 9-53 Fuel .......................... 9-60 Towing ....................... 9-66 Conversions and Add-Ons . . . 9-87 Vehicle Care ................. 10-1 General Information .......... 10-2 Vehicle Checks ............... 10-4 Headlamp Aiming ........... 10-33 Bulb Replacement .......... 10-35 Electrical System ............ 10-38 Wheels and Tires ........... 10-47

Transcript of Denali Owner's Manual - Chevrolet...GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11 Black...

  • Black plate (1,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    2012 GMC Sierra Denali Owner Manual M

    In Brief . . . . . . . . . . . . . . . . . . . . . . . . 1-1Instrument Panel . . . . . . . . . . . . . . 1-2Initial Drive Information . . . . . . . . 1-4Vehicle Features . . . . . . . . . . . . . 1-16Performance andMaintenance . . . . . . . . . . . . . . . . 1-23

    Keys, Doors, andWindows . . . . . . . . . . . . . . . . . . . . 2-1Keys and Locks . . . . . . . . . . . . . . . 2-2Doors . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9Vehicle Security. . . . . . . . . . . . . . 2-10Exterior Mirrors . . . . . . . . . . . . . . . 2-13Interior Mirrors . . . . . . . . . . . . . . . . 2-15Windows . . . . . . . . . . . . . . . . . . . . . 2-16Roof . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19

    Seats and Restraints . . . . . . . . . 3-1Head Restraints . . . . . . . . . . . . . . . 3-2Front Seats . . . . . . . . . . . . . . . . . . . . 3-3Rear Seats . . . . . . . . . . . . . . . . . . . . 3-8Safety Belts . . . . . . . . . . . . . . . . . . . . 3-9Airbag System . . . . . . . . . . . . . . . . 3-20Child Restraints . . . . . . . . . . . . . . 3-35

    Storage . . . . . . . . . . . . . . . . . . . . . . . 4-1Storage Compartments . . . . . . . . 4-1

    Instruments and Controls . . . . 5-1Controls . . . . . . . . . . . . . . . . . . . . . . . 5-2Warning Lights, Gauges, andIndicators . . . . . . . . . . . . . . . . . . . 5-12

    Information Displays . . . . . . . . . . 5-30Vehicle Messages . . . . . . . . . . . . 5-38Vehicle Personalization . . . . . . . 5-48Universal Remote System . . . . 5-57

    Lighting . . . . . . . . . . . . . . . . . . . . . . . 6-1Exterior Lighting . . . . . . . . . . . . . . . 6-1Interior Lighting . . . . . . . . . . . . . . . . 6-7Lighting Features . . . . . . . . . . . . . . 6-8

    Infotainment System . . . . . . . . . 7-1Introduction . . . . . . . . . . . . . . . . . . . . 7-1Radio . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9Audio Players . . . . . . . . . . . . . . . . 7-16Rear Seat Infotainment . . . . . . . 7-39Phone . . . . . . . . . . . . . . . . . . . . . . . . 7-51Trademarks and LicenseAgreements . . . . . . . . . . . . . . . . . 7-59

    Climate Controls . . . . . . . . . . . . . 8-1Climate Control Systems . . . . . . 8-1Air Vents . . . . . . . . . . . . . . . . . . . . . . . 8-7

    Driving and Operating . . . . . . . . 9-1Driving Information . . . . . . . . . . . . . 9-2Starting and Operating . . . . . . . 9-26Engine Exhaust . . . . . . . . . . . . . . 9-33Automatic Transmission . . . . . . 9-34Drive Systems . . . . . . . . . . . . . . . . 9-39Brakes . . . . . . . . . . . . . . . . . . . . . . . 9-44Ride Control Systems . . . . . . . . 9-47Cruise Control . . . . . . . . . . . . . . . . 9-50Object Detection Systems . . . . 9-53Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-60Towing . . . . . . . . . . . . . . . . . . . . . . . 9-66Conversions and Add-Ons . . . 9-87

    Vehicle Care . . . . . . . . . . . . . . . . . 10-1General Information . . . . . . . . . . 10-2Vehicle Checks . . . . . . . . . . . . . . . 10-4Headlamp Aiming . . . . . . . . . . . 10-33Bulb Replacement . . . . . . . . . . 10-35Electrical System . . . . . . . . . . . . 10-38Wheels and Tires . . . . . . . . . . . 10-47

  • Black plate (2,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    2012 GMC Sierra Denali Owner Manual M

    Jump Starting . . . . . . . . . . . . . . . 10-83Towing . . . . . . . . . . . . . . . . . . . . . . 10-87Appearance Care . . . . . . . . . . . 10-93

    Service and Maintenance . . . 11-1General Information . . . . . . . . . . 11-1Maintenance Schedule . . . . . . . 11-3Special ApplicationServices . . . . . . . . . . . . . . . . . . . . 11-8

    Additional Maintenanceand Care . . . . . . . . . . . . . . . . . . . . 11-9

    Recommended Fluids,Lubricants, and Parts . . . . . . 11-12

    Maintenance Records . . . . . . . 11-15

    Technical Data . . . . . . . . . . . . . . . 12-1Vehicle Identification . . . . . . . . . 12-1Vehicle Data . . . . . . . . . . . . . . . . . . 12-2

    Customer Information . . . . . . . 13-1Customer Information . . . . . . . . 13-1Reporting Safety Defects . . . . 13-19Vehicle Data Recording andPrivacy. . . . . . . . . . . . . . . . . . . . 13-20

    OnStar . . . . . . . . . . . . . . . . . . . . . . . 14-1OnStar Overview. . . . . . . . . . . . . 14-1OnStar Services . . . . . . . . . . . . . . 14-2OnStar AdditionalInformation . . . . . . . . . . . . . . . . . . 14-5

    Index . . . . . . . . . . . . . . . . . . . . . i-1

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    Introduction iii

    The names, logos, emblems,slogans, vehicle model names, andvehicle body designs appearing inthis manual including, but not limitedto, GM, the GM logo, GMC, theGMC Truck Emblem, SIERRA, andDENALI are trademarks and/orservice marks of General MotorsLLC, its subsidiaries, affiliates,or licensors.

    This manual describes features thatmay or may not be on your specificvehicle either because they areoptions that you did not purchase ordue to changes subsequent to theprinting of this owner manual.Please refer to the purchasedocumentation relating to yourspecific vehicle to confirm each ofthe features found on your vehicle.For vehicles first sold in Canada,substitute the name “GeneralMotors of Canada Limited” for GMCDivision wherever it appears in thismanual.

    If the vehicle has the Duramax®

    Diesel engine, see the Duramaxdiesel supplement for additional andspecific information on this engine.

    Keep this manual in the vehicle forquick reference.

    Canadian Vehicle Owners

    Propriétaires Canadiens

    A French language copy of thismanual can be obtained from yourdealer or from:

    On peut obtenir un exemplaire dece guide en français auprès duconcessionnaire ou à l'adressesuivante:

    Helm, IncorporatedAttention: Customer Service47911 Halyard DrivePlymouth, MI 48170

    Litho in U.S.A.Part No. 20902917 B Second Printing ©2011 General Motors LLC. All Rights Reserved.

  • Black plate (4,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    iv Introduction

    Using this ManualTo quickly locate information aboutthe vehicle, use the Index in theback of the manual. It is analphabetical list of what is in themanual and the page number whereit can be found.

    Danger, Warnings, andCautionsWarning messages found on vehiclelabels and in this manual describehazards and what to do to avoid orreduce them.

    Danger indicates a hazard with ahigh level of risk which will result inserious injury or death.

    Warning or Caution indicates ahazard that could result in injury ordeath.

    { WARNINGThese mean there is somethingthat could hurt you or otherpeople.

    Notice: This means there issomething that could result inproperty or vehicle damage. Thiswould not be covered by thevehicle's warranty.

    A circle with a slash through it is asafety symbol which means “DoNot,” “Do not do this,” or “Do not letthis happen.”

    SymbolsThe vehicle has components andlabels that use symbols instead oftext. Symbols are shown along withthe text describing the operation orinformation relating to a specificcomponent, control, message,gauge, or indicator.

    M : This symbol is shown whenyou need to see your owner manualfor additional instructions orinformation.

    * : This symbol is shown whenyou need to see a service manualfor additional instructions orinformation.

  • Black plate (5,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    Introduction v

    Vehicle Symbol Chart

    Here are some additional symbolsthat may be found on the vehicleand what they mean. For moreinformation on the symbol, refer tothe Index.

    0 : Adjustable Pedals9 : Airbag Readiness Light# : Air Conditioning! : Antilock Brake System (ABS)% : Audio Steering Wheel Controlsor OnStar®

    $ : Brake System Warning Light" : Charging SystemI : Cruise ControlB : Engine Coolant TemperatureO : Exterior Lamps# : Fog Lamps. : Fuel Gauge

    + : Fuses3 : Headlamp High/Low-BeamChanger

    ( : Heated Steering Wheelj : LATCH System ChildRestraints

    * : Malfunction Indicator Lamp: : Oil Pressureg : Outside Power FoldawayMirrors

    O : Power/ : Remote Vehicle Start

    > : Safety Belt Reminders7 : Tire Pressure Monitor_ : Tow/Haul Mode

    d : Traction Control/StabiliTrak®

    M : Windshield Washer Fluid

  • Black plate (6,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    vi Introduction

    2 NOTES

  • Black plate (1,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    In Brief 1-1

    In Brief

    Instrument PanelInstrument Panel . . . . . . . . . . . . . . 1-2

    Initial Drive InformationInitial Drive Information . . . . . . . . 1-4Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . 1-4

    Remote Vehicle Start . . . . . . . . . 1-4Door Locks . . . . . . . . . . . . . . . . . . . 1-5Windows . . . . . . . . . . . . . . . . . . . . . . 1-5Seat Adjustment . . . . . . . . . . . . . . 1-6Memory Features . . . . . . . . . . . . . 1-7Heated and VentilatedSeats . . . . . . . . . . . . . . . . . . . . . . . . 1-8

    Head Restraint Adjustment . . . . 1-8Safety Belts . . . . . . . . . . . . . . . . . . . 1-9Passenger Sensing System . . . 1-9Mirror Adjustment . . . . . . . . . . . . 1-10Steering WheelAdjustment . . . . . . . . . . . . . . . . . 1-11

    Throttle and Brake PedalAdjustment . . . . . . . . . . . . . . . . . 1-11

    Interior Lighting . . . . . . . . . . . . . . 1-12Exterior Lighting . . . . . . . . . . . . . 1-13Windshield Wiper/Washer . . . . 1-13

    Climate Controls . . . . . . . . . . . . . 1-14Transmission . . . . . . . . . . . . . . . . 1-15Four-Wheel Drive . . . . . . . . . . . . 1-15

    Vehicle FeaturesRadio(s) . . . . . . . . . . . . . . . . . . . . . 1-16Satellite Radio . . . . . . . . . . . . . . . 1-18Portable Audio Devices . . . . . . 1-18Bluetooth® . . . . . . . . . . . . . . . . . . . 1-18Steering Wheel Controls . . . . . 1-19Cruise Control . . . . . . . . . . . . . . . 1-19Navigation System . . . . . . . . . . . 1-20Driver InformationCenter (DIC) . . . . . . . . . . . . . . . 1-20

    Rear VisionCamera (RVC) . . . . . . . . . . . . . 1-21

    Ultrasonic Parking Assist . . . . 1-21Power Outlets . . . . . . . . . . . . . . . 1-21Universal Remote System . . . 1-22Sunroof . . . . . . . . . . . . . . . . . . . . . . 1-22

    Performance and MaintenanceStabiliTrak® System . . . . . . . . . 1-23Tire Pressure Monitor . . . . . . . . 1-24Engine Oil Life System . . . . . . 1-24Fuel E85 (85% Ethanol) . . . . . 1-25Driving for Better FuelEconomy . . . . . . . . . . . . . . . . . . . 1-25

    Roadside AssistanceProgram . . . . . . . . . . . . . . . . . . . . 1-25

    OnStar® . . . . . . . . . . . . . . . . . . . . . 1-26

  • Black plate (2,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    1-2 In Brief

    Instrument Panel

    United States Version Shown; Canada Similar

  • Black plate (3,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    In Brief 1-3

    A. Air Vents on page 8‑7.

    B. Turn and Lane-Change Signalson page 6‑5.

    Windshield Wiper/Washer onpage 5‑5.

    C. Instrument Cluster onpage 5‑13.

    D. Hazard Warning Flashers onpage 6‑5.

    E. Shift Lever. See AutomaticTransmission on page 9‑34.

    F. Tow/Haul Mode on page 9‑38(If Equipped).

    G. Driver Information Center (DIC)Buttons. See Driver InformationCenter (DIC) on page 5‑30.

    H. Infotainment on page 7‑1.

    I. Exterior Lamp Controls onpage 6‑1.

    J. Integrated Trailer BrakeController (If Equipped). SeeTrailer Towing on page 9‑70.

    K. Dome Lamps on page 6‑7.

    L. Data Link Connector (DLC)(Out of View). See MalfunctionIndicator Lamp on page 5‑21.

    M. Cruise Control on page 9‑50.

    Heated Steering Wheel Button(If Equipped). See HeatedSteering Wheel on page 5‑5.

    N. Hood Release. See Hood onpage 10‑5.

    O. Parking Brake on page 9‑45.

    P. Steering Wheel Adjustment onpage 5‑2.

    Q. Horn on page 5‑5.

    R. Steering Wheel Controls onpage 5‑3.

    S. Dual Automatic Climate ControlSystem on page 8‑1.

    T. Power Outlets on page 5‑11.

    Cigarette Lighter (If Equipped).See Ashtrays on page 5‑12 andCigarette Lighter on page 5‑11.

    U. StabiliTrak® System onpage 9‑47.

    Pedal Adjust Button. SeeAdjustable Throttle and BrakePedal on page 9‑26.

    Ultrasonic Parking Assist onpage 9‑53 (If Equipped).

    Exhaust Brake (If Equipped).See “Brakes” in the DuramaxDiesel Supplement.

    V. Passenger Airbag Off Control(If Equipped). See PassengerSensing System on page 3‑27.

  • Black plate (4,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    1-4 In Brief

    Initial DriveInformationThis section provides a briefoverview about some of theimportant features that may or maynot be on your specific vehicle.

    For more detailed information, referto each of the features which can befound later in this owner manual.

    Remote Keyless Entry(RKE) SystemThe RKE transmitter is used toremotely lock and unlock the doorsfrom up to 60 m (195 ft) away fromthe vehicle.

    K : Press to unlock the driver door.Press K again within three secondsto unlock all remaining doors.

    Q : Press to lock all doors. Lockand unlock feedback can bepersonalized. See VehiclePersonalization on page 5‑48.

    L : Press and release to locatethe vehicle. PressL and hold formore than two seconds to sound thepanic alarm. PressL again tocancel the panic alarm.

    See Keys on page 2‑2 and RemoteKeyless Entry (RKE) SystemOperation on page 2‑3.

    Remote Vehicle StartWith this feature the engine can bestarted from outside of the vehicle.

    Starting the Vehicle

    1. Aim the RKE transmitter at thevehicle.

    2. Press and release Q.3. Immediately after completing

    Step 2, press and hold/ untilthe turn signal lamps flash.

    When the vehicle starts, the parkinglamps will turn on and remain on aslong as the engine is running. Thedoors will be locked and the climatecontrol system may come on.

    The engine will continue to run for10 minutes. Repeat the steps for a10-minute time extension. Remotestart can be extended only once.

  • Black plate (5,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    In Brief 1-5

    Canceling a Remote Start

    To cancel a remote start:. Aim the RKE transmitter at the

    vehicle and press and hold/until the parking lamps turn off.

    . Turn on the hazard warningflashers.

    . Turn the ignition on and thenback off.

    See Remote Vehicle Start onpage 2‑5.

    Door LocksThere are several ways to lock andunlock the vehicle.

    From outside, use the RemoteKeyless Entry (RKE) transmitter orthe key in the driver door.

    From inside, use the power doorlocks or the manual door locks. Tolock or unlock the door with themanual locks, push down or pull upon the manual lock knob.

    Power Door Locks

    Press Q or K on the RKEtransmitter. See Remote KeylessEntry (RKE) System Operation onpage 2‑3.

    Q : Press to lock the doors.K : Press to unlock the doors.

    See Door Locks on page 2‑7.

    Windows

    The driver door has switches thatcontrol all windows, the passengersdoor switch only control thatwindow. The power windows workwhen the ignition is in ON/RUN orACC/ACCESSORY, or in RetainedAccessory Power (RAP). SeeRetained Accessory Power (RAP)on page 9‑31 for more information.

  • Black plate (6,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    1-6 In Brief

    Press the switch to lower thewindow. Pull the switch up toraise it.

    For more information, see:. Windows on page 2‑16.. Power Windows on page 2‑16.

    Seat Adjustment

    To adjust the seat:. Move the seat forward or

    rearward by sliding the controlforward or rearward.

    . Raise or lower the front or rearpart of the seat cushion bymoving the front or rear of thecontrol up or down.

    . Raise or lower the entire seat bymoving the entire control upor down.

    See Power Seat Adjustment onpage 3‑3.

    Lumbar Adjustment

    To adjust the lumbar support:. Press and hold the front or rear

    of the control to increase ordecrease lumbar support.

    . Press and hold the top or bottomof the control to raise or lowerthe height of the support.

    See Lumbar Adjustment onpage 3‑4.

  • Black plate (7,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    In Brief 1-7

    Reclining Seatbacks

    To adjust the seatback:. Tilt the top of the control

    rearward to recline.. Tilt the top of the control forward

    to raise.

    See Reclining Seatbacks onpage 3‑4.

    Memory Features

    The controls on the driver door areused to program and recall memorysettings for the driver seat, outsidemirrors, and the adjustable throttleand brake pedals, if available.

    Storing Memory Positions

    To save into memory:

    1. Adjust the driver seat andseatback recliner, both outsidemirrors, and the throttle andbrake pedals, if available.

    See Power Mirrors on page 2‑13and Adjustable Throttle andBrake Pedal on page 9‑26.

    Not all mirrors and adjustablethrottles and brake pedals willhave the ability to save andrecall their positions.

    2. Press and hold “1” untiltwo beeps sound.

    3. Repeat for a second driverposition using “2.”

    To recall, press and release “1” or“2.” The vehicle must be in P (Park).A single beep will sound. The seat,outside mirrors, and adjustablethrottle and brake pedals,if available, will move to the positionpreviously stored for the identifieddriver.

    See Memory Seats on page 3‑5 andVehicle Personalization onpage 5‑48.

  • Black plate (8,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    1-8 In Brief

    Easy Exit Driver Seat

    This feature can move the seatrearward to allow extra room to exitthe vehicle.

    B : Press to recall the easy exitseat position. The vehicle must bein P (Park).

    See Memory Seats on page 3‑5 andVehicle Personalization onpage 5‑48.

    Heated and VentilatedSeats

    The buttons are on the front doors.

    H : Press to cool the seat.I : Press to heat theseatback only.

    J : Press to heat the seat andseatback.

    Press the button once for thehighest setting. With each press ofthe button, the seat will change tothe next lower setting, and then tothe off setting. The lights indicatethree for the highest setting and onefor the lowest.

    See Heated and Ventilated FrontSeats on page 3‑7.

    Head RestraintAdjustmentDo not drive until the head restraintsfor all occupants are installed andadjusted properly.

    To achieve a comfortable seatingposition, change the seatbackrecline angle as little as necessarywhile keeping the seat and the headrestraint height in the properposition.

    See Head Restraints on page 3‑2and Power Seat Adjustment onpage 3‑3.

  • Black plate (9,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    In Brief 1-9

    Safety Belts

    Refer to the following sections forimportant information on how to usesafety belts properly.. Safety Belts on page 3‑9.. How to Wear Safety Belts

    Properly on page 3‑10.. Lap-Shoulder Belt on page 3‑12.. Lower Anchors and Tethers for

    Children (LATCH System) onpage 3‑43.

    Passenger SensingSystemThe passenger sensing system,if equipped, turns off the frontoutboard passenger frontal airbagunder certain conditions. No otherairbag is affected by the passengersensing system.

    If the vehicle has one of theindicators pictured in the followingillustrations, then the vehicle has apassenger sensing system for theright front passenger position.

    The passenger airbag statusindicator, if equipped, will be visibleon the overhead console when thevehicle is started.

    United States

    Canada and Mexico

    See Passenger Sensing System onpage 3‑27 for important information.

  • Black plate (10,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    1-10 In Brief

    Mirror Adjustment

    Exterior Mirrors

    Mirror Adjustment

    1. Press (A) or (B) to select thedriver or passenger side mirror.

    2. Press the arrows on the controlpad to move the mirror up,down, right, or left.

    3. Press the opposite side to getthe control pad to a neutralposition.

    Power Folding Mirrors

    To fold the mirrors:

    1. Press (C) to fold the mirrors outto the driving position.

    2. Press (D) to fold the mirrors in tothe folded position.

    See Power Mirrors on page 2‑13.

    Automatic Dimming Mirror

    The driver outside mirrorautomatically dimes for the glare ofheadlamps from behind. Thisfeature is controlled by the on andoff setting on the inside rearviewmirror. See Automatic DimmingRearview Mirror on page 2‑15 formore information.

    Heated Mirrors

    The heated outside rearview mirrorsturn on when the rear windowdefogger is on.

    Press1 to heat the mirrors.

    See “Rear Window Defogger” underDual Automatic Climate ControlSystem on page 8‑1 for moreinformation.

    Park Tilt Mirrors

    If the vehicle has the memorypackage, the exterior mirrors tilt to apreselected position when thevehicle is in R (Reverse). Thisfeature lets the driver view the curbwhen parallel parking. The mirrorsreturn to the original position whenthe vehicle is shifted out ofR (Reverse), or the ignition is turnedoff or to OFF/LOCK.

    This feature can be programedthrough the Driver InformationCenter (DIC). See VehiclePersonalization on page 5‑48 formore information.

  • Black plate (11,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    In Brief 1-11

    Interior Mirror

    Adjustment

    Hold the rearview mirror in thecenter and move it to view the areabehind the vehicle.

    Automatic Dimming RearviewMirror

    The mirror will automatically reducethe glare from the headlamps frombehind. The dimming feature comeson and the indicator light illuminateseach time the vehicle is started.

    O : Press to turn the dimmingfeature on or off.

    See Automatic Dimming RearviewMirror on page 2‑15 for moreinformation.

    Steering WheelAdjustment

    The tilt lever is located on the lowerleft side of the steering column.

    To adjust the steering wheel:

    1. Hold the steering wheel and pullthe lever.

    2. Move the steering wheel to acomfortable position.

    3. Release the lever to lock thewheel in place.

    See Steering Wheel Adjustment onpage 5‑2.

    Throttle and Brake PedalAdjustmentOn vehicles with this feature, youcan change the position of thethrottle and brake pedals.

    The control used to adjust thepedals is located on the instrumentpanel below the climate controlsystem.

    Press the bottom of the control tomove the pedals closer. Press thetop of the control to move thepedals away.

    See Adjustable Throttle and BrakePedal on page 9‑26.

  • Black plate (12,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    1-12 In Brief

    Interior LightingDome Lamps

    The dome lamps are located in theoverhead console.

    They come on when any door isopened and turn off after all thedoors are closed.

    Turn the instrument panelbrightness knob located below thedome lamp override button,clockwise to the farthest position tomanually turn on the dome lamps.The dome lamps remain on until theknob is turned counterclockwise.

    Dome Lamp Override

    The dome lamp override button islocated next to the exterior lampscontrol.

    k : Press the button in and thedome lamps remain off when a dooris opened. Press the button again toreturn it to the extended position sothat the dome lamps come on whena door is opened.

    Reading Lamps

    For vehicles with reading lamps inthe overhead console, press thebutton located next to the lamp toturn it on or off.

    The vehicle may also have readinglamps in other locations. The lampscannot be adjusted.

    For more information about interiorlamps, see:. Dome Lamps on page 6‑7.. Reading Lamps on page 6‑8.. Instrument Panel Illumination

    Control on page 6‑7.

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    In Brief 1-13

    Exterior Lighting

    The exterior lamps control is locatedon the instrument panel to the left ofthe steering wheel.

    O : Turns off the automaticheadlamps and Daytime RunningLamps (DRL). Turn the headlampcontrol to the off position again toturn the automatic headlamps orDRL back on.

    For vehicles first sold in Canada,the off position will only work whenthe vehicle is shifted into P (Park).

    AUTO: Automatically turns onthe headlamps, parking lamps,taillamps, instrument panel lights,and license plate lamps.

    ; : Turns on the parking lamps,taillamps, instrument panel lights,and license plate lamps.

    5 : Turns on the headlamps,parking lamps, taillamps, instrumentpanel lights, and license platelamps.

    For more information, see:. Exterior Lamp Controls on

    page 6‑1.. Daytime Running Lamps (DRL)

    on page 6‑3.. Fog Lamps on page 6‑6.

    Windshield Wiper/Washer

    The front wiper control is located onthe turn and lane‐change lever.

    The windshield wipers are controlledby turning the band withz on it.

    8 : For a single wipe, turn to8 ,then release. For several wipes,hold the band on8 longer.

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    1-14 In Brief

    9 : Turns the windshieldwipers off.

    6 : Turn the band up for morefrequent wipes or down for lessfrequent wipes.

    6 : Slow wipes.? : Fast wipes.

    L : Push the paddle at the top ofthe lever to spray washer fluid onthe windshield.

    See Windshield Wiper/Washer onpage 5‑5.

    Climate ControlsThe heating, cooling, and ventilation in the vehicle can be controlled withthis system.

    Dual Automatic Climate Control System

    A. Driver and PassengerTemperature Controls

    B. Fan Control

    C. AUTO (Automatic Operation)

    D. Defrost

    E. Recirculation

    F. Outside Air

    G. Air Delivery Mode Control

    H. Display

    I. Power Button

    J. Rear Window Defogger

    K. Air Conditioning

    L. PASS (Passenger)

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    In Brief 1-15

    See Dual Automatic Climate ControlSystem on page 8‑1.

    Transmission

    Range Selection Mode

    The Range Selection Mode buttonis located on the shift lever.

    To enable Range Selection:

    1. Move the column shift lever tothe M (Manual) position. Thecurrent range will appear next tothe M. This is the highestpossible range with all lowergears accessible. As anexample, when 5 (Fifth) gear isselected, 1 (First) through5 (Fifth) gears are available.

    2. Press the plus/minus buttons toselect the range of gears forcurrent driving conditions. SeeManual Mode on page 9‑37.

    While using Range Selection Mode,cruise control and the Tow/Haulmode can be used.

    Grade Braking is not available whenRange Selection Mode is active.See Tow/Haul Mode on page 9‑38.

    Four-Wheel DriveIf the vehicle has Four-Wheel Drive,you can send the engine's drivingpower to all four wheels for extratraction.

    Electronic Transfer Case

    The transfer case knob is locatednext to the steering column.

    You can choose among four drivingsettings:

    2 m (Two-Wheel Drive High): Thissetting is used for driving in moststreet and highway situations.

    4 m (Four-Wheel Drive High): Usethe Four-Wheel Drive High positionwhen extra traction is needed, suchas on snowy or icy roads or in mostoff-road situations.

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    1-16 In Brief

    4 n (Four-Wheel Drive Low): Thissetting sends maximum power to allfour wheels. You might chooseFour-Wheel Drive Low while drivingoff-road in deep sand, deep mud,deep snow, and while climbing ordescending steep hills.

    N (Neutral): Shift the vehicle'stransfer case to N (Neutral) onlywhen towing the vehicle. SeeRecreational Vehicle Towing onpage 10‑88 or Towing the Vehicleon page 10‑87 for more information.

    See Four-Wheel Drive onpage 9‑39.

    Vehicle Features

    Radio(s)

    Radio with USB, CD, and DVD (MP3)

    O : Press to turn the system onand off. Turn to increase ordecrease the volume.

    BAND: Press to choose betweenFM, AM, or XM™, if equipped.

    f : Select radio stations.

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    In Brief 1-17

    © SEEK or ¨ SEEK: Seek or scanstations.

    4 : Press to switch the displaybetween the radio station frequencyand the time. While the ignition isoff, press this button to display thetime. Press to display additional textinformation related to the currentFM-RDS or XM station; or CD, MP3,or WMA song. If information isavailable during XM, CD, MP3,or WMA playback, the song titleinformation displays on the top lineof the display and artist informationdisplays on the bottom line. Wheninformation is not available,“NO INFO” displays.

    For more information about theseand other radio features, seeOperation on page 7‑3.

    For vehicles with a Rear SeatEntertainment System (RSE) andRear Seat Audio System (RSA), seeRear Seat Entertainment (RSE)System on page 7‑39 and RearSeat Audio (RSA) System onpage 7‑49 for more information.

    Storing Radio Stations

    A maximum of 36 stations can bestored as favorites using the sixsoftkeys located below the radiostation frequency tabs and by usingthe radio FAV button. Press FAV togo through up to six pages offavorites, each having six favoritestations available per page. Eachpage of favorites can contain anycombination of AM, FM, or XMstations.

    For more information, see “StoringRadio Stations” in AM-FM Radio onpage 7‑9.

    Setting the Clock

    To set the time and date:

    1. Turn the ignition key to ACC/ACCESSORY or ON/RUN, thenpress O , to turn the radio on.

    2. Press H to display HR, MIN,MM, DD, and YYYY (hour,minute, month, day, and year).

    3. Press the softkey located underany one of the labels to bechanged.

    4. To increase or decrease the timeor date, turn f clockwise orcounter‐clockwise.

    For detailed instructions on settingthe clock for the vehicle's specificaudio system, see Clock onpage 5‑8.

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    1-18 In Brief

    Satellite RadioXM is a satellite radio service basedin the 48 contiguous United Statesand 10 Canadian provinces.XM satellite radio has a widevariety of programming andcommercial-free music, coast tocoast, and in digital-quality sound.

    A fee is required to receive theXM service.

    For more information, refer to:. www.xmradio.com or call

    1-800-929-2100 (U.S.). www.xmradio.ca or call

    1-877-438-9677 (Canada)

    See Satellite Radio on page 7‑11.

    Portable Audio DevicesThis vehicle may have an auxiliaryinput located on the radio faceplateand a USB port located in the centerconsole or on the instrument panel.External devices such as an iPod®,laptop computer, MP3 player, CDchanger, or USB storage device canbe connected to the auxiliary portusing a 3.5 mm (1/8 in) input cableor the USB port depending on theaudio system.

    See “Using the Auxiliary Input Jack”and “Using the USB Port” inAuxiliary Devices on page 7‑34.

    Bluetooth®

    For vehicles with a Bluetoothsystem, it allows users with aBluetooth‐enabled cell phone tomake and receive hands-free callsusing the vehicle’s audio systemand controls.

    The Bluetooth‐enabled cell phonemust be paired with the Bluetoothsystem before it can be used in thevehicle. Not all phones will supportall functions. For more information,visit www.gm.com/bluetooth.

    For more information, see Bluetoothon page 7‑51.

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    In Brief 1-19

    Steering Wheel Controls

    If available, some audio controlscan be adjusted at the steeringwheel.

    w : Press to go to the next favoriteradio station, track on a CD,or folder on an iPod® or USBdevice.

    c /x : Press to go to theprevious favorite radio station, trackon a CD, or folder on an iPod® orUSB device. Press to reject anincoming call, or to end a call.

    b / g : Press to silence the vehiclespeakers only. Press again to turnthe sound on. Press and hold longerthan two seconds to interact withOnStar® or Bluetooth systems,if equipped.

    + e : Press to increase volume.

    − e : Press to decrease volume.

    SRCE: Press to switch betweenthe radio and CD, and for equippedvehicles, the DVD, front auxiliary,and rear auxiliary.

    ¨ : Press to seek the next radiostation, the next track or chapterwhile sourced to the CD or DVDslot, or to select tracks and folderson an iPod or USB device.

    For more information, see SteeringWheel Controls on page 5‑3.

    Cruise Control

    T : Press to turn the system onor off. The indicator light is on whencruise control is on and turns offwhen cruise control is off.

    + RES: Press briefly to make thevehicle resume to a previously setspeed, or press and hold toaccelerate.

    SET −: Press to set the speed andactivate cruise control or make thevehicle decelerate.

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    1-20 In Brief

    [ : Press to disengage cruisecontrol without erasing the setspeed from memory.

    See Cruise Control on page 9‑50.

    Navigation SystemIf the vehicle has a navigationsystem, there is a separatenavigation system manual thatincludes information on the radio,audio players, and navigationsystem.

    The navigation system providesdetailed maps of most majorfreeways and roads. After adestination has been set, thesystem provides turn-by-turninstructions for reaching thedestination. In addition, the systemcan help locate a variety of points ofinterest (POIs), such as banks,airports, restaurants, and more.

    See the navigation system manualfor more information.

    Driver InformationCenter (DIC)The DIC display is located at thebottom of the instrument panelcluster. It shows the status of manyvehicle systems and enablesaccess to the personalization menu.

    The DIC buttons are located on theinstrument panel, next to thesteering wheel.

    3 : Press this button to displaythe odometer, trip odometer, fuelrange, average economy, fuel used,timer, and transmission temperature.The compass and outside airtemperature will also be shown inthe display. The temperature will beshown in °C or °F depending on theunits selected.

    T : Press this button to displaythe oil life, units, tire pressurereadings for vehicles with the TirePressure Monitor System (TPMS),trailer brake gain and outputinformation for vehicles with theIntegrated Trailer Brake Control(ITBC) system, engine hours,compass zone setting, and compassrecalibration.

    U : Press this button to customizethe feature settings on your vehicle.See Vehicle Personalization onpage 5‑48 for more information.

    V : Press this button to set or resetcertain functions and to turn off oracknowledge messages on the DIC.

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    In Brief 1-21

    Some vehicles do not have thebuttons shown, however some ofthe menus can be viewed by usingthe trip odometer reset stem.

    For more information, see DriverInformation Center (DIC) onpage 5‑30.

    Vehicle Customization

    Some vehicle features can beprogrammed by using the DICbuttons next to the steering wheel.These features include:. Language. Door Lock and Unlock Settings. RKE Lock and Unlock Feedback. Lighting. Chime Volume. Memory Features

    See Vehicle Personalization onpage 5‑48.

    Rear VisionCamera (RVC)If available, the RVC displays aview of the area behind the vehiclewhen the vehicle is shifted intoR (Reverse). This is displayed onthe inside rearview mirror or thenavigation screen, if equipped.

    To clean the camera lens, located inthe bezel of the tailgate handle,rinse it with water and wipe it with asoft cloth.

    For more information, see RearVision Camera (RVC) on page 9‑55.

    Ultrasonic Parking AssistIf available, the Ultrasonic RearParking Assist (URPA) system usessensors on the rear bumper toassist with parking and avoidingobjects while in R (Reverse).It operates at speeds less than8 km/h (5 mph). URPA uses audiblebeeps to provide distance andsystem information.

    Keep the sensors on the vehicle'srear bumper clean to ensure properoperation.

    See Ultrasonic Parking Assist onpage 9‑53.

    Power OutletsAccessory power outlets can beused to plug in electrical equipment,such as a cell phone or MP3 player.

    There are two accessory poweroutlets on the instrument panel, oneinside the center floor console, andone on the rear of the center floorconsole.

    To access the accessory poweroutlet inside the center floorconsole, press the button on theside of the console door. SeeCenter Console Storage onpage 4‑2 for more information.

    Remove the cover to access andreplace when not in use.

    See Power Outlets on page 5‑11.

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    1-22 In Brief

    Universal Remote System

    Vehicles with the Universal RemoteSystem will have these buttonslocated in the headliner.

    This system provides a way toreplace up to three remote controltransmitters used to activatedevices such as garage dooropeners, security systems, andhome automation devices.

    Read the instructions completelybefore attempting to program thetransmitter. Because of the stepsinvolved, it may be helpful to haveanother person assist withprogramming the transmitter.

    See Universal Remote System onpage 5‑57.

    Sunroof

    A. Open or Close

    B. Vent

    On vehicles with a sunroof, thesunroof only operates when theignition is in the ACC/ACCESSORYor ON/RUN, or when RetainedAccessory Power (RAP) is active.See Retained Accessory Power(RAP) on page 9‑31 for moreinformation.

    Vent: From the closed position,press the rear of switch (B) to ventthe sunroof.

    Open/Close: To open the sunroof,press and hold switch (A) until thesunroof reaches the desiredposition. Press and hold the front ofswitch (A) to close it.

    Express-Open/Express-Close:To express-open the sunroof, fullypress and release the rear ofswitch (A) until the sunroofreaches the desired position. Toexpress-close the sunroof, fullypress and release the front ofswitch (A). Press the switch again tostop it.

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    In Brief 1-23

    When the sunroof is opened, an airdeflector will automatically raise.The air deflector will retract whenthe sunroof is closed.

    The sunroof also has a sunshadewhich can be pulled forward to blocksun rays. The sunshade must beopened and closed manually.

    If an object is in the path of thesunroof while it is closing, theanti-pinch feature will detect theobject and stop the sunroof.

    See Sunroof (Crew Cab) onpage 2‑19 for more information.

    Performance andMaintenance

    StabiliTrak® SystemIf equipped, the vehicle has atraction control system that limitswheel spin and the StabiliTraksystem that assists with directionalcontrol of the vehicle in difficultdriving conditions. Both systemsturn on automatically every time thevehicle is started.. To turn off traction control, press

    and release g on the instrumentpanel. The appropriate DICmessage displays. See RideControl System Messages onpage 5‑43.

    . To turn off both traction controland StabiliTrak, press and holdg until g illuminates and theappropriate DIC messagedisplays. See Ride ControlSystem Messages on page 5‑43.

    . Press and release g again toturn on both systems.

    For more information, seeStabiliTrak® System on page 9‑47.

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    1-24 In Brief

    Tire Pressure MonitorThis vehicle may have a TirePressure Monitor System (TPMS).

    The TPMS warning light alerts youto a significant loss in pressure ofone of the vehicle's tires. If thewarning light comes on, stop assoon as possible and inflate thetires to the recommended pressureshown on the Tire and LoadingInformation label. See Vehicle LoadLimits on page 9‑16. The warninglight will remain on until the tirepressure is corrected.

    During cooler conditions, the low tirepressure warning light may appearwhen the vehicle is first started andthen turn off. This may be an earlyindicator that the tire pressures aregetting low and the tires need to beinflated to the proper pressure.

    The TPMS does not replace normalmonthly tire maintenance. It is thedriver’s responsibility to maintaincorrect tire pressures.

    See Tire Pressure Monitor Systemon page 10‑57.

    Engine Oil Life SystemThe engine oil life system calculatesengine oil life based on vehicle useand, on most vehicles, displays aDIC message when it is necessaryto change the engine oil and filter.The oil life system should be resetto 100% only following an oilchange.

    Resetting the Oil Life System

    To reset the Engine Oil Life Systemon most vehicles:

    1. Display OIL LIFE REMAININGon the DIC. If the vehicle doesnot have DIC buttons, thevehicle must be in P (Park) toaccess this display.

    2. Press and hold the SET/RESETbutton on the DIC, or the tripodometer reset stem if thevehicle does not have DICbuttons, for more thanfive seconds. The oil life willchange to 100%.

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    In Brief 1-25

    On all vehicles, the Engine Oil LifeSystem can be reset as follows:

    1. Turn the ignition to ON/RUN withthe engine off.

    2. Fully press the accelerator pedalslowly three times withinfive seconds.

    3. Display OIL LIFE REMAININGon the DIC. If the display shows100%, the system is reset.

    See Engine Oil Life System onpage 10‑10.

    Fuel E85 (85% Ethanol)Vehicles that have a FlexFuel badgeand a yellow fuel cap can use eitherunleaded gasoline or ethanol fuelcontaining up to 85% ethanol (E85).See Fuel E85 (85% Ethanol) onpage 9‑63. For all other vehicles,use only the unleaded gasolinedescribed under RecommendedFuel on page 9‑60.

    Driving for Better FuelEconomyDriving habits can affect fuelmileage. Here are some driving tipsto get the best fuel economypossible.. Avoid fast starts and accelerate

    smoothly.. Brake gradually and avoid

    abrupt stops.. Avoid idling the engine for long

    periods of time.. When road and weather

    conditions are appropriate, usecruise control.

    . Always follow posted speedlimits or drive more slowly whenconditions require.

    . Keep vehicle tires properlyinflated.

    . Combine several trips into asingle trip.

    . Replace the vehicle's tires withthe same TPC Spec numbermolded into the tire's sidewallnear the size.

    . Follow recommended scheduledmaintenance.

    Roadside AssistanceProgramU.S.: 1-888-881-3302

    TTY Users (U.S.): 1-888-889-2438

    Canada: 1-800-268-6800

    Mexico: 01-800-466-0801

    As the owner of a new GMC, youare automatically enrolled in theRoadside Assistance program.

    See Roadside Assistance Program(U.S. and Canada) on page 13‑8 orRoadside Assistance Program(Mexico) on page 13‑10.

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    1-26 In Brief

    Roadside Assistance and OnStar(U.S. and Canada)

    If you have an active OnStarsubscription, press theQ buttonand the current GPS location will besent to an OnStar advisor who willassess your problem, contactRoadside Assistance, and relayyour exact location to get the helpyou need.

    Online Owner Center(U.S. and Canada)

    The Online Owner Center is acomplimentary service that includesonline service reminders, vehiclemaintenance tips, online ownermanual, special privileges,and more.

    Sign up today at:

    U.S.: gmc.com (click on“Owners,” then “Manage MyGMC/Owners Login”)

    Canada: gmcowner.ca

    OnStar®

    If equipped, this vehicle has acomprehensive, in-vehicle systemthat can connect to a live Advisorfor Emergency, Security, Navigation,Connection, and DiagnosticServices. See OnStar Overview onpage 14‑1.

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    Keys, Doors, and Windows 2-1

    Keys, Doors, andWindows

    Keys and LocksKeys . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . 2-2

    Remote Keyless Entry (RKE)System Operation . . . . . . . . . . . 2-3

    Remote Vehicle Start . . . . . . . . . 2-5Door Locks . . . . . . . . . . . . . . . . . . . 2-7Power Door Locks . . . . . . . . . . . . 2-7Delayed Locking . . . . . . . . . . . . . . 2-8Automatic Door Locks . . . . . . . . . 2-8Lockout Protection . . . . . . . . . . . . 2-8Safety Locks . . . . . . . . . . . . . . . . . . 2-8

    DoorsTailgate . . . . . . . . . . . . . . . . . . . . . . . 2-9

    Vehicle SecurityVehicle Security . . . . . . . . . . . . . . 2-10Anti-theft Alarm System . . . . . . 2-10Immobilizer . . . . . . . . . . . . . . . . . . 2-11Immobilizer Operation . . . . . . . . 2-11

    Exterior MirrorsConvex Mirrors . . . . . . . . . . . . . . 2-13Power Mirrors . . . . . . . . . . . . . . . . 2-13Heated Mirrors . . . . . . . . . . . . . . . 2-14Automatic Dimming Mirror . . . 2-14Park Tilt Mirrors . . . . . . . . . . . . . . 2-15

    Interior MirrorsAutomatic Dimming RearviewMirror . . . . . . . . . . . . . . . . . . . . . . . 2-15

    WindowsWindows . . . . . . . . . . . . . . . . . . . . . 2-16Power Windows . . . . . . . . . . . . . 2-16Rear Windows . . . . . . . . . . . . . . . 2-18Sun Visors . . . . . . . . . . . . . . . . . . . 2-19

    RoofSunroof (Crew Cab) . . . . . . . . . 2-19

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    2-2 Keys, Doors, and Windows

    Keys and Locks

    Keys

    { WARNINGLeaving children in a vehicle withthe ignition key is dangerous formany reasons. Children or otherscould be badly injured or evenkilled. They could operate thepower windows or other controlsor even make the vehicle move.The windows will function with thekeys in the ignition and childrencould be seriously injured or killedif caught in the path of a closingwindow. Do not leave the keys ina vehicle with children.

    The key is used for the ignition andall door locks.

    The key has a bar-coded key tagthat the dealer or qualified locksmithcan use to make new keys. Storethis information in a safe place, notin the vehicle.

    See your dealer if a replacementkey or additional key is needed.

    Notice: If the keys get locked inthe vehicle, it may have to bedamaged to get them out. Alwayscarry a spare key.

    If you are locked out of the vehicle,call the Roadside AssistanceCenter. See Roadside AssistanceProgram (U.S. and Canada) onpage 13‑8 or Roadside AssistanceProgram (Mexico) on page 13‑10.

    With an active OnStar subscription,an OnStar Advisor may remotelyunlock the vehicle. See OnStarOverview on page 14‑1.

    Remote Keyless Entry(RKE) SystemSee Radio Frequency Statement onpage 13‑22 for informationregarding Part 15 of the FederalCommunications Commission (FCC)rules and Industry CanadaStandards RSS-GEN/210/220/310.

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    Keys, Doors, and Windows 2-3

    If there is a decrease in the RKEoperating range:. Check the distance. The

    transmitter may be too far fromthe vehicle.

    . Check the location. Othervehicles or objects may beblocking the signal.

    . Check the transmitter's battery.See “Battery Replacement” laterin this section.

    . If the transmitter is still notworking correctly, see yourdealer or a qualified technicianfor service.

    Remote Keyless Entry(RKE) System OperationThe Remote Keyless Entry (RKE)transmitter functions work up to60 m (195 ft) away from the vehicle.

    There are other conditions whichcan affect the performance of thetransmitter. See Remote KeylessEntry (RKE) System on page 2‑2.

    With Remote Start (withoutRemote Start Similar)

    / (Remote Vehicle Start): Forvehicles with this feature, press/to start the engine from outside the

    vehicle using the RKE transmitter.See Remote Vehicle Start onpage 2‑5 for additional information.

    Q (Lock): Press to lock all thedoors.

    If enabled through the DriverInformation Center (DIC), the turnsignal lamps flash once to indicatelocking has occurred. If enabledthrough the DIC, the horn chirpswhen Q is pressed again withinthree seconds. See VehiclePersonalization on page 5‑48 foradditional information.

    Pressing Q arms the contenttheft‐deterrent system. SeeAnti-theft Alarm System onpage 2‑10.

    K (Unlock): Press once to unlockonly the driver door. If K is pressedagain within three seconds, allremaining doors unlock. The interiorlamps may come on and stay on for20 seconds or until the ignition isturned on.

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    2-4 Keys, Doors, and Windows

    If enabled through the DIC, the turnsignal lamps flash twice to indicateunlocking has occurred. See VehiclePersonalization on page 5‑48.If enabled through the DIC, theexterior lights may turn on. See“Approach Lighting” under VehiclePersonalization on page 5‑48.

    Pressing K on the RKE transmitterdisarms the content theft‐deterrentsystem. See Anti-theft AlarmSystem on page 2‑10.

    L (Vehicle Locator/PanicAlarm): Press and release tolocate the vehicle. The turn signallamps flash and the horn soundsthree times.

    Press and holdL for more thantwo seconds to activate the panicalarm. The turn signal lamps flashand the horn sounds repeatedly for30 seconds. The alarm turns offwhen the ignition is moved to ON/RUN orL is pressed again. Theignition must be in LOCK/OFF forthe panic alarm to work.

    Programming Transmitters tothe Vehicle

    Only RKE transmitters programmedto this vehicle will work. If atransmitter is lost or stolen, areplacement can be purchased andprogrammed through your dealer.When the replacement transmitter isprogrammed to this vehicle, allremaining transmitters must also bereprogrammed. Any lost or stolentransmitters will no longer workonce the new transmitter isprogrammed. Each vehicle canhave up to eight transmittersprogrammed to it. See your dealerfor transmitter programming.

    Battery Replacement

    Replace the battery if the REPLACEBATTERY IN REMOTE KEYmessage displays in the DIC.

    Notice: When replacing thebattery, do not touch any of thecircuitry on the transmitter. Staticfrom your body could damage thetransmitter.

    To replace the battery:

    1. Separate the transmitter with aflat, thin object, such as a flathead screwdriver.. Carefully insert the tool into

    the notch located along theparting line of thetransmitter. Do not insertthe tool too far. Stop assoon as resistance is felt.

    . Twist the tool until thetransmitter is separated.

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    Keys, Doors, and Windows 2-5

    2. Remove the old battery. Do notuse a metal object.

    3. Insert the new battery, positiveside facing down. Replace with aCR2032 or equivalent battery.

    4. Snap the transmitter backtogether.

    Remote Vehicle StartIf available, this feature allows youto start the engine from outside ofthe vehicle. It may also start up thevehicle's heating or air conditioningsystems and rear window defogger.Normal operation of the system willreturn after the key is turned to theON/RUN position.

    If the vehicle has an automaticclimate control system, the climatecontrol system will default to aheating or cooling mode dependingon the outside temperatures. If thevehicle does not have an automaticclimate control system, the systemwill turn on at the setting the vehiclewas set to when the vehicle waslast turned off.

    During a remote start, if the vehiclehas an automatic climate controlsystem and heated seats, theheated seats will turn on duringcolder outside temperatures and willshut off when the key is turned toON/RUN. If the vehicle does nothave an automatic climate controlsystem, during remote start,manually turn the heated seats onand off. See Heated and VentilatedFront Seats on page 3‑7 foradditional information.

    Laws in some communities mayrestrict the use of remote starters.For example, some laws mayrequire a person using the remotestart to have the vehicle in viewwhen doing so. Check localregulations for any requirements onremote starting of vehicles.

    Do not use the remote start featureif the vehicle is low on fuel. Thevehicle may run out of fuel.

    If the vehicle has the remote startfeature, the RKE transmitterfunctions will have an increasedrange of operation. However, therange may be less while the vehicleis running.

    There are other conditions whichcan affect the performance of thetransmitter. See Remote KeylessEntry (RKE) System on page 2‑2 foradditional information.

    / (Remote Start): This button willbe on the RKE transmitter if thevehicle has remote start.

    To start the vehicle using the remotestart feature:

    1. Aim the RKE transmitter at thevehicle.

    2. Press and release Q.

    3. Immediately press and hold /until the turn signal lamps flash.If you cannot see the vehicle'slamps, press and hold/ fortwo to four seconds.

  • Black plate (6,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    2-6 Keys, Doors, and Windows

    When the vehicle starts, theparking lamps will turn on andremain on while the vehicle isrunning. The doors will belocked and the climate controlsystem may come on.

    The engine will continue to runfor 10 minutes. Repeat the stepsfor a 10-minute time extension.Remote start can be extendedonly once.

    After entering the vehicle during aremote start, insert and turn the keyto ON/RUN to drive the vehicle.

    To cancel a remote start:. Aim the RKE transmitter at the

    vehicle and press and hold/until the parking lamps turn off.

    . Turn on the hazard warningflashers.

    . Turn the ignition on and thenback off.

    The vehicle can be remote startedtwo separate times between drivingsequences. The engine will run for10 minutes after each remote start.

    Or, you can extend the engine runtime by another 10 minutes withinthe first 10 minute remote start timeframe, and before the engine stops.

    For example, if Q and then/ arepressed again after the vehicle hasbeen running for five minutes,10 minutes are added, allowing theengine to run for 15 minutes.

    The additional 10 minutes areconsidered a second remote vehiclestart.

    Once two remote starts, or a singleremote start with one time extensionhas been done, the vehicle must bestarted with the key. After the key isremoved from the ignition, thevehicle can be remote started again.

    The vehicle cannot be remotestarted if the key is in the ignition,the hood is not closed, or if there isan emission control systemmalfunction and the check enginelight is on.

    Also, the engine will turn off during aremote vehicle start if the coolanttemperature gets too high or if theoil pressure gets low.

    Remote Start Ready

    If the vehicle does not have theremote vehicle start feature, it mayhave the remote start ready feature.This feature allows your dealer toadd the manufacturer's remotevehicle start feature.

    See your dealer to add themanufacturer's remote vehicle startfeature to the vehicle.

  • Black plate (7,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    Keys, Doors, and Windows 2-7

    Door Locks

    { WARNINGUnlocked doors can bedangerous.

    . Passengers, especiallychildren, can easily open thedoors and fall out of a movingvehicle. When a door islocked, the handle will notopen it. The chance of beingthrown out of the vehicle in acrash is increased if thedoors are not locked. So, allpassengers should wearsafety belts properly and thedoors should be lockedwhenever the vehicle isdriven.

    . Young children who get intounlocked vehicles may beunable to get out. A child canbe overcome by extreme heatand can suffer permanent

    (Continued)

    WARNING (Continued)

    injuries or even death fromheat stroke. Always lock thevehicle whenever leaving it.

    . Outsiders can easily enterthrough an unlocked doorwhen you slow down or stopthe vehicle. Locking the doorscan help prevent this fromhappening.

    There are several ways to lock andunlock the vehicle.

    From outside, use the RemoteKeyless Entry (RKE) transmitter orthe key in the driver door.

    From inside, use the power doorlocks or manual door locks. To lockor unlock the door with the manuallocks, push down or pull up on themanual lock knob.

    Power Door Locks

    Press Q or K on the RemoteKeyless Entry (RKE) transmitter.See Remote Keyless Entry (RKE)System Operation on page 2‑3.

    Q (Lock): Press to lock the doors.K (Unlock): Press to unlock thedoors.

  • Black plate (8,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    2-8 Keys, Doors, and Windows

    Delayed LockingThe vehicle may have the delayedlocking feature. When locking thedoors with the power lock switchand a door is open, the doors willlock five seconds after the last dooris closed. You will hear three chimesto signal that the delayed lockingfeature is in use.

    Pressing the power lock switchtwice will override the delayedlocking feature and immediately lockall the doors.

    This feature will not operate if thekey is in the ignition.

    This feature can be programmedusing the Driver InformationCenter (DIC). See “Delay DoorLock” under Vehicle Personalizationon page 5‑48.

    Automatic Door LocksThe vehicle may have an automaticlock/unlock feature. This feature canbe programmed using the DriverInformation Center (DIC). See

    Vehicle Personalization onpage 5‑48 for more information onDIC programming.

    Lockout ProtectionIf the driver side power door lockswitch is pressed when the driverdoor is open and the key is in theignition, all of the doors will lock andthen the driver door will unlock.

    If the passenger side power doorlock switch is pressed when thefront passenger door is open andthe key is in the ignition, all of thedoors will lock and then the frontpassenger door will unlock.

    Safety LocksThe vehicle has rear door securitylocks to prevent passengers fromopening the rear doors from theinside.

    Open the rear doors to access thesecurity locks on the inside edge ofeach door.

    To set the locks, insert a key intothe slot and turn it to the horizontalposition. The door can only beopened from the outside with thedoor unlocked. To return the door tonormal operation, turn the slot to thevertical position.

  • Black plate (9,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    Keys, Doors, and Windows 2-9

    Doors

    Tailgate

    { WARNINGIt is extremely dangerous to rideon the tailgate, even when thevehicle is operated at low speeds.People riding on the tailgatecan easily lose their balance andfall in response to vehiclemaneuvers. Falling from a movingvehicle may result in seriousinjuries or death. Do not allowpeople to ride on the tailgate. Besure everyone in your vehicle is ina seat and using a safety beltproperly.

    On vehicles with a lock on thetailgate, use the key to lock orunlock the tailgate.

    Open the tailgate by lifting up on itshandle while pulling thetailgate down.

    To shut the tailgate, firmly push itupward until it latches.

    After closing the tailgate, pull it backto be sure it latches securely.

    Tailgate Removal

    The tailgate can be removed toallow for different loading situations.Assistance may be needed with theremoval to avoid damage to thevehicle.

    On vehicles with a Rear VisionCamera, it must be disconnectedbefore removing the tailgate. SeeRear Vision Camera (RVC) onpage 9‑55 for more information.

    To remove the tailgate:

    1. Raise the tailgate slightly, pullout and hold the cable retainingclip (A). Push the cable (C) upand off of the bolt (B). Repeat onthe other side.

  • Black plate (10,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    2-10 Keys, Doors, and Windows

    2. With the tailgate about halfwayopen, lift the right edge of thetailgate from the lower pivot.

    On vehicles with the tailgateassist feature, raise the tailgatenearly all the way to the closedposition prior to removing theleft edge.

    3. Move the tailgate to the right torelease the left edge.

    Reverse this procedure to reinstallthe tailgate. Make sure the tailgateis secure.

    Vehicle SecurityThis vehicle has theft-deterrentfeatures; however, they do not makeit impossible to steal.

    Anti-theft Alarm SystemThis vehicle may have a contenttheft-deterrent alarm system.

    This is the security light.

    To arm the theft-deterrent system:

    1. Open the door.

    2. Lock the door with the RemoteKeyless Entry (RKE) transmitter.The security light should flash.

    If the delayed locking feature isactive, the alarm will not beactivated until all doors areclosed and the security lightgoes off.

    3. Close all doors. The securitylight will stop flashing and go offafter approximately 30 seconds.The system is armed when thesecurity light goes off.

    If a locked driver door is openedwithout using the RKE transmitter, a10 second pre-alarm will occur. Thehorn will chirp and the lights willflash. If the key is not placed in theignition and turned to START or thedoor is not unlocked by pressingthe unlock button on the RKEtransmitter during the 10 secondpre-alarm, the alarm will go off. Thevehicle's headlamps will flash andthe horn will sound for about30 seconds, then will turn off tosave the battery power.

  • Black plate (11,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    Keys, Doors, and Windows 2-11

    The theft-deterrent system will notactivate if the doors are locked withthe key or the manual door lock.It activates only if you use thepower door lock switch or the RKEtransmitter. The vehicle can bestarted with the correct key if thealarm is set off.

    To avoid setting off the alarm byaccident:. If you do not want to activate the

    theft-deterrent system, thevehicle should be locked withthe door key after the doors areclosed.

    . Always unlock a door with theRKE transmitter.

    If the alarm is set off, press unlockon the RKE transmitter or place thekey in the ignition and turn it toSTART.

    Testing the Alarm

    To test the alarm:

    1. Lower the driver window andopen the driver door.

    2. Press lock on the RKEtransmitter.

    3. Close the door and wait for thesecurity light to go out.

    4. Reach in through the window,unlock the door with the manualdoor lock, and open the door.This should set off the alarm.

    If the alarm does not sound when itshould but the headlamps flash,check to see if the horn works. Thehorn fuse may be blown. To replacethe fuse, see Fuses and CircuitBreakers on page 10‑39.

    If the alarm does not sound or theheadlamps do not flash, see yourdealer for service.

    ImmobilizerSee Radio Frequency Statement onpage 13‑22 for informationregarding Part 15 of the FederalCommunications Commission (FCC)rules and Industry CanadaStandards RSS-GEN/210/220/310.

    Immobilizer OperationThis vehicle has PASS-Key® III+(Personalized Automotive SecuritySystem) theft-deterrent system.PASS-Key III+ is a passivetheft-deterrent system.

    The system is automatically armedwhen the key is removed from theignition.

    The system is automaticallydisarmed when the key is turned toON/RUN, ACC/ACCESSORY,or START from the LOCK/OFFposition.

    You do not have to manually arm ordisarm the system.

  • Black plate (12,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    2-12 Keys, Doors, and Windows

    The security light will come on ifthere is a problem with arming ordisarming the theft-deterrentsystem.

    When the PASS-Key III+ systemsenses that someone is using thewrong key, it prevents the vehiclefrom starting. Anyone using atrial-and-error method to start thevehicle will be discouraged becauseof the high number of electrical keycodes.

    If the engine does not start and thesecurity light on the instrumentpanel cluster comes on when tryingto start the vehicle, there may be aproblem with the theft-deterrentsystem. Turn the ignition off and tryagain.

    If the engine still does not start, andthe key appears to be undamaged,try another ignition key. At this time,you may also want to check thefuse. See Fuses and CircuitBreakers on page 10‑39. If theengine still does not start with theother key, the vehicle needs service.

    If the vehicle does start, the first keymay be faulty. See your dealer whocan service the PASS-Key III+ tohave a new key made.

    It is possible for the PASS-Key III+decoder to learn the transpondervalue of a new or replacement key.Up to 10 keys may be programmedfor the vehicle. The followingprocedure is for programmingadditional keys only. If all thecurrently programmed keys are lostor do not operate, you must seeyour dealer or a locksmith who canservice PASS-Key III+ to have keysmade and programmed to thesystem.

    See your dealer or a locksmith whocan service PASS-Key III+ to get anew key blank cut exactly as theignition key that operates thesystem.

    To program the new additional key:

    1. Verify that the new key has a 1stamped on it.

    2. Insert the original, alreadyprogrammed key in the ignitionand start the engine. If theengine will not start, see yourdealer for service.

    3. After the engine has started, turnthe key to LOCK/OFF, andremove the key.

    4. Insert the new key to beprogrammed and turn it to theON/RUN position withinfive seconds of turning theignition to the LOCK/OFFposition in Step 3.

    The security light will turn offonce the key has beenprogrammed.

    5. Repeat Steps 1 through 4 ifadditional keys are to beprogrammed.

  • Black plate (13,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    Keys, Doors, and Windows 2-13

    If you lose or damage yourPASS-Key III+ key, see your dealeror a locksmith who can servicePASS-Key III+ to have a newkey made.

    Do not leave the key or device thatdisarms or deactivates thetheft-deterrent system in the vehicle.

    Exterior Mirrors

    Convex Mirrors

    { WARNINGA convex mirror can make things,like other vehicles, look fartheraway than they really are. If youcut too sharply into the right lane,you could hit a vehicle on theright. Check the inside mirror orglance over your shoulder beforechanging lanes.

    The passenger side mirror is convexshaped. A convex mirror's surface iscurved so more can be seen fromthe driver seat.

    Power Mirrors

    Mirror Adjustment

    1. Press (A) or (B) to select thedriver or passenger side mirror.

    2. Press the arrows on the controlpad to move the mirror up,down, right, or left.

    3. Press the opposite side to getthe control pad to a neutralposition.

  • Black plate (14,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    2-14 Keys, Doors, and Windows

    Power Folding Mirrors

    To fold the mirrors:

    1. Press (C) to fold the mirrors outto the driving position.

    2. Press (D) to fold the mirrors intothe folded position.

    Resetting the Power FoldingMirrors

    Reset the power folding mirrors if:. The mirrors are accidentally

    obstructed while folding.. They are accidentally manually

    folded/unfolded.. The mirrors will not stay in the

    unfolded position.. The mirrors vibrate at normal

    driving speeds.

    Fold and unfold the mirrors one timeusing the mirror controls to resetthem to their normal position.A popping noise may be heardduring the resetting of the powerfolding mirrors. This sound is normalafter a manual folding operation.

    See Power Mirrors on page 2‑13.

    Turn Signal Indicator

    The vehicle has a turn signalindicator on the mirror. An arrow onthe mirror flashes in the direction ofthe turn or lane change.

    Heated MirrorsThe heated outside rearview mirrorsturn on when the rear windowdefogger is on.

    1 (Rear Window Defogger): Thisbutton is on the climate controlpanel.

    See “Rear Window Defogger” underDual Automatic Climate ControlSystem on page 8‑1 for moreinformation.

    Automatic DimmingMirrorThe driver outside mirrorautomatically dimes for the glare ofthe headlamps from behind. Thisfeature is controlled by the on andoff setting on the inside rearviewmirror. See Automatic DimmingRearview Mirror on page 2‑15 formore information.

  • Black plate (15,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    Keys, Doors, and Windows 2-15

    Park Tilt MirrorsIf the vehicle has the memorypackage, the passenger and/ordriver mirror tilts to a preselectedposition when the vehicle is inR (Reverse). This feature lets thedriver view the curb when parallelparking. The mirror(s) return to theoriginal position when the vehicle isshifted out of R (Reverse), or theignition is turned off or toOFF/LOCK.

    Turn this feature on or off throughthe Driver Information Center (DIC).See Vehicle Personalization onpage 5‑48 for more information.

    Interior Mirrors

    Automatic DimmingRearview MirrorTo adjust the inside rearview mirror,hold the rearview mirror in thecenter and move it to view the areabehind the vehicle.

    The automatic dimming rearviewmirror will automatically reduce theglare from the headlamps frombehind. The dimming feature comeson when the vehicle is started.

    O (On/Off): Press to turn thedimming feature on or off.

    The vehicle may also have a RearVision Camera (RVC). See RearVision Camera (RVC) on page 9‑55for more information.

    If the vehicle has a RVC, the Obutton for turning the dimmingfeature on or off will not beavailable.

    Vehicles with OnStar have threeadditional control buttons for theOnStar system. See your dealer formore information about OnStar andhow to subscribe to it. See OnStarOverview on page 14‑1 for moreinformation.

    Cleaning the Mirror

    Do not spray glass cleaner directlyon the mirror. Use a soft toweldampened with water.

  • Black plate (16,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    2-16 Keys, Doors, and Windows

    Windows

    { WARNINGLeaving children, helpless adults,or pets in a vehicle with thewindows closed is dangerous.They can be overcome by theextreme heat and sufferpermanent injuries or even deathfrom heat stroke. Never leave achild, a helpless adult, or a petalone in a vehicle, especially withthe windows closed in warm orhot weather.

    The vehicle aerodynamics aredesigned to improve fuel economyperformance. This may result in apulsing sound when a window ispartially open. To reduce the sound,open another window or the sunroof(if equipped).

    Power Windows

    { WARNINGLeaving children in a vehicle withthe keys is dangerous for manyreasons. Children or others couldbe badly injured or even killed.They could operate the powerwindows or other controls or evenmake the vehicle move. Thewindows will function and theycould be seriously injured or killedif caught in the path of a closingwindow. Do not leave keys in avehicle with children.

    When there are children in therear seat use the window lockoutbutton to prevent unintentionaloperation of the windows.

  • Black plate (17,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    Keys, Doors, and Windows 2-17

    The driver door has switches thatcontrol all windows, the passengersdoor switch only control thatwindow. The power windows workwhen the ignition is in ON/RUN orACC/ACCESSORY, or in RetainedAccessory Power (RAP). SeeRetained Accessory Power (RAP)on page 9‑31 for more information.

    Press the switch to lower thewindow. Pull the switch up toraise it.

    Express-Down/Up Windows

    Windows with the express featureallow the windows to be raised andlowered all the way without holdingthe switch.

    Press or pull the switch fully andrelease it to activate the expressfeature.

    The express mode can be canceledat any time by briefly pressing orpulling the switch.

    Express Window Anti-PinchFeature

    If any object is in the path of thewindow when the express-up isactive, the window will stop at theobstruction and auto-reverse to apreset factory position. Weatherconditions such as severe icing mayalso cause the window toauto-reverse. The window will returnto normal operation once theobstruction or condition is removed.

    Express Window Anti-PinchOverride

    { WARNINGIf express override is activated,the window will not reverseautomatically. You or others couldbe injured and the window couldbe damaged. Before you useexpress override, make sure thatall people and obstructions areclear of the window path.

    In an emergency, the anti-pinchfeature can be overridden in asupervised mode. Hold the windowswitch all the way up to the secondposition. The window will rise for aslong as the switch is held. Once theswitch is released, the expressmode is re-activated.

    In this mode, the window can stillclose on an object in its path. Usecare when using the override mode.

  • Black plate (18,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    2-18 Keys, Doors, and Windows

    Programming the PowerWindows

    If the battery on the vehicle hasbeen recharged, disconnected, or isnot working, you will need toreprogram each front power windowfor the express-up feature to work.Before reprogramming, replace orrecharge the vehicle's battery.

    To program each front window,follow these steps:

    1. With the ignition in ACC/ACCESSORY, ON/RUN,or when RAP is active, close alldoors.

    2. Press and hold the powerwindow switch until the windowis fully open.

    3. Pull the power window switch upuntil the window is fully closed.

    4. Continue holding the switch upfor approximately two secondsafter the window is completelyclosed.

    The window is now reprogrammed.Repeat the process for the otherwindows.

    Window Lockout

    This feature prevents the rearpassenger windows from operating,except from the driver position.

    . Presso to activate the rearwindow locks. An indicator lightwill illuminate when the featureis on.

    . Presso again to deactivate therear window locks.

    Rear Windows

    Power Sliding Rear Window

    If equipped, the power sliding rearwindow works when the ignition hasbeen turned to ACC/ACCESSORYor ON/RUN, or when RetainedAccessory Power (RAP) is active.

  • Black plate (19,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    Keys, Doors, and Windows 2-19

    See Retained Accessory Power(RAP) on page 9‑31 for moreinformation.. Push the switch to open the

    window.. Pull the switch to close the

    window.

    The power sliding rear windowcannot be operated manually.

    Sun Visors

    Pull the sun visor down to blockglare. Detach the sun visor from thecenter mount to pivot to the sidewindow, or to extend along the rod,if available.

    Roof

    Sunroof (Crew Cab)

    A. Open or Close

    B. Vent

    On vehicles with a sunroof, thesunroof only operates when theignition is in the ACC/ACCESSORYor ON/RUN or the RetainedAccessory Power (RAP) is active.See Retained Accessory Power(RAP) on page 9‑31 for moreinformation.

  • Black plate (20,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    2-20 Keys, Doors, and Windows

    Vent: From the closed position,press the rear of the passenger sideswitch (B) to vent the sunroof.

    Manual-Open/Manual-Close: Toopen the sunroof, press and holdthe rear of the driver side switch (A)until the sunroof reaches thedesired position. Press and hold thefront of the driver side switch toclose it.

    Express-Open/Express-Close: Toexpress-open the sunroof, fullypress and release the rear of thedriver side switch (A) until thesunroof reaches the desiredposition. To express-close thesunroof, fully press and release thefront of the driver side switch. Pressthe switch again to stop it.

    When the sunroof is opened, an airdeflector will automatically raise.The air deflector will retract whenthe sunroof is closed.

    The sunroof also has a sunshadewhich can be pulled forward to blocksun rays. The sunshade must beopened and closed manually.

    If an object is in the path of thesunroof while it is closing, theanti-pinch feature will detect theobject and stop the sunroof.

    Dirt and debris may collect on thesunroof seal or in the track. Thiscould cause an issue with sunroofoperation or noise. It could also plugthe water drainage system.Periodically open the sunroof andremove any obstacles or loosedebris. Wipe the sunroof seal androof sealing area using a cleancloth, mild soap, and water. Do notremove grease from the sunroof.

  • Black plate (1,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    Seats and Restraints 3-1

    Seats andRestraints

    Head RestraintsHead Restraints . . . . . . . . . . . . . . . 3-2

    Front SeatsPower Seat Adjustment . . . . . . . 3-3Lumbar Adjustment . . . . . . . . . . . 3-4Reclining Seatbacks . . . . . . . . . . 3-4Memory Seats . . . . . . . . . . . . . . . . 3-5Heated and Ventilated FrontSeats . . . . . . . . . . . . . . . . . . . . . . . . 3-7

    Rear SeatsRear Seats (Split Bench) . . . . . . 3-8

    Safety BeltsSafety Belts . . . . . . . . . . . . . . . . . . . 3-9How to Wear Safety BeltsProperly . . . . . . . . . . . . . . . . . . . . 3-10

    Lap-Shoulder Belt . . . . . . . . . . . 3-12Safety Belt Use DuringPregnancy . . . . . . . . . . . . . . . . . . 3-17

    Lap Belt . . . . . . . . . . . . . . . . . . . . . 3-17Safety Belt Extender . . . . . . . . . 3-18

    Safety System Check . . . . . . . . 3-18Safety Belt Care . . . . . . . . . . . . . 3-19Replacing Safety Belt SystemParts after a Crash . . . . . . . . . 3-19

    Airbag SystemAirbag System . . . . . . . . . . . . . . . 3-20Where Are the Airbags? . . . . . 3-22When Should an AirbagInflate? . . . . . . . . . . . . . . . . . . . . . 3-23

    What Makes an AirbagInflate? . . . . . . . . . . . . . . . . . . . . . 3-25

    How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . 3-25

    What Will You See after anAirbag Inflates? . . . . . . . . . . . . 3-26

    Passenger SensingSystem . . . . . . . . . . . . . . . . . . . . . 3-27

    Servicing the Airbag-EquippedVehicle . . . . . . . . . . . . . . . . . . . . . 3-32

    Adding Equipment to theAirbag-Equipped Vehicle . . . 3-33

    Airbag System Check . . . . . . . . 3-34Replacing Airbag SystemParts after a Crash . . . . . . . . . 3-34

    Child RestraintsOlder Children . . . . . . . . . . . . . . . 3-35Infants and YoungChildren . . . . . . . . . . . . . . . . . . . . 3-37

    Child Restraint Systems . . . . . 3-40Where to Put the Restraint . . . 3-42Lower Anchors and Tethersfor Children (LATCHSystem) . . . . . . . . . . . . . . . . . . . . 3-43

    Replacing LATCH SystemParts After a Crash . . . . . . . . . 3-49

    Securing Child Restraints(Rear Seat Position) . . . . . . . . 3-50

    Securing Child Restraints(Right Front SeatPosition) . . . . . . . . . . . . . . . . . . . 3-52

  • Black plate (2,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    3-2 Seats and Restraints

    Head RestraintsFront Seats

    The front seats have adjustablehead restraints in the outboardseating positions.

    { WARNINGWith head restraints that are notinstalled and adjusted properly,there is a greater chance thatoccupants will suffer a neck/spinal injury in a crash. Do notdrive until the head restraints forall occupants are installed andadjusted properly.

    Adjust the head restraint so that thetop of the restraint is at the sameheight as the top of the occupant'shead. This position reduces thechance of a neck injury in a crash.

    The height of the head restraint canbe adjusted. Pull the head restraintup to raise it. Try to move the headrestraint to make sure that it islocked in place.

    To lower the head restraint, pressthe button, located on the top of theseatback, and push the restraintdown. Try to move the headrestraint after the button is releasedto make sure that it is locked inplace.

    The front seat outboard headrestraints are not designed to beremoved.

  • Black plate (3,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    Seats and Restraints 3-3

    Rear Seats

    The rear seat has adjustableheadrests in the outboard seatingpositions.

    The height of the headrest can beadjusted. Pull the headrest up toraise it. To lower the headrest, pushdown on the headrest.

    Rear outboard headrests are notdesigned to be removed.

    Front Seats

    Power Seat Adjustment

    { WARNINGYou can lose control of thevehicle if you try to adjust a driverseat while the vehicle is moving.The sudden movement couldstartle and confuse you, or makeyou push a pedal when you donot want to. Adjust the driver seatonly when the vehicle is notmoving.

    To adjust the seat:. Move the seat forward or

    rearward by sliding the controlforward or rearward.

    . Raise or lower the front or rearpart of the seat cushion bymoving the front or rear of thecontrol up or down.

    . Raise or lower the entire seat bymoving the entire control upor down.

    To adjust the seatback, seeReclining Seatbacks on page 3‑4.

  • Black plate (4,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    3-4 Seats and Restraints

    Lumbar Adjustment

    To adjust the lumbar support:. Press and hold the front or rear

    of the control to increase ordecrease lumbar support.

    . Press and hold the top or bottomof the control to raise or lowerthe height of the lumbar support.

    Reclining Seatbacks

    Power Reclining Seatbacks

    To adjust the seatback:. Tilt the top of the control

    rearward to recline.. Tilt the top of the control forward

    to raise.

    { WARNINGSitting in a reclined position whenthe vehicle is in motion can bedangerous. Even when buckledup, the safety belts cannot dotheir job.

    The shoulder belt will not beagainst your body. Instead, it willbe in front of you. In a crash, youcould go into it, receiving neck orother injuries.

    The lap belt could go up overyour abdomen. The belt forceswould be there, not at your pelvicbones. This could cause seriousinternal injuries.

    For proper protection when thevehicle is in motion, have theseatback upright. Then sit wellback in the seat and wear thesafety belt properly.

  • Black plate (5,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    Seats and Restraints 3-5

    Do not have a seatback reclined ifthe vehicle is moving.

    Memory Seats

    The controls on the driver door areused to program and recall memorysettings for the driver seat, outsidemirrors, and the adjustable throttleand brake pedal positions.

    Storing Memory Positions

    To save into memory:

    1. Adjust the driver seat, seatbackrecliner, both outside mirrors,and the throttle and brakepedals.

    See Power Mirrors on page 2‑13and Adjustable Throttle andBrake Pedal on page 9‑26.

    Not all mirrors and adjustablethrottles and brake pedals willhave the ability to save andrecall their positions.

    2. Press and hold “1” untiltwo beeps sound.

    3. Repeat for a second driverposition using “2.”

    To recall, press and release “1” or“2.” The vehicle must be in P (Park).A single beep will sound. The seat,outside mirrors, and adjustablethrottle and brake pedals will moveto the position previously stored forthe identified driver.

  • Black plate (6,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    3-6 Seats and Restraints

    Memory Remote Recall

    This feature can recall the driverseat, outside mirrors, and pedals tostored positions when entering thevehicle.

    To activate, unlock the driverdoor with the Remote KeylessEntry (RKE) transmitter. The driverseat, outside mirrors, and adjustablepedals will move to the memoryposition associated with thetransmitter used to unlock thevehicle.

    This feature can be turned on or offusing the vehicle personalizationmenu. See Vehicle Personalizationon page 5‑48.

    To stop recall movement, press oneof the power seat controls, memorybuttons, or power mirror buttons,or the adjustable pedal switch.

    If something has blocked the driverseat and/or the adjustable pedalswhile recalling a memory position,the recall may stop. Remove theobstruction; then press and hold theappropriate manual control for thememory item that is not recalling fortwo seconds. Try recalling thememory position again by pressingthe appropriate memory button.If the memory position is still notrecalling, see your dealer forservice.

    Easy Exit Driver Seat

    This feature can move the seatrearward to allow extra room to exitthe vehicle.

    B (Easy Exit Driver Seat): Pressto recall the easy exit seat position.The vehicle must be in P (Park).

    If the easy exit seat feature isprogrammed on in the vehiclepersonalization menu, automaticseat movement occurs when theignition key is removed.

    A single beep sounds. The driverseat moves back approximately8 cm (3 in). To move the seat backfarther, pressB again until theseat is all the way back.

    If something has blocked the driverseat while recalling the exit position,the recall may stop. Remove theobstruction; then press and hold thepower seat control rearward fortwo seconds. Try recalling the exitposition again. If the exit position isstill not recalling, see your dealer forservice.

    See Vehicle Personalization onpage 5‑48.

  • Black plate (7,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    Seats and Restraints 3-7

    Heated and VentilatedFront Seats

    { WARNINGIf you cannot feel temperaturechange or pain to the skin, theseat heater may cause burnseven at low temperatures. Toreduce the risk of burns, peoplewith such a condition should usecare when using the seat heater,especially for long periods oftime. Do not place anything onthe seat that insulates againstheat, such as a blanket, cushion,cover, or similar item. This maycause the seat heater tooverheat. An overheated seatheater may cause a burn or maydamage the seat.

    The buttons are on the front doors.

    H (Cooled Seat): Press to coolthe seat.

    I (Heated Seatback): Press toheat the seatback only.

    J (Heated Seat and Seatback):Press to heat the seat andseatback.

    Press the button once for thehighest setting. With each press ofthe button, the seat will change tothe next lower setting, and then tothe off setting. The lights indicatethree for the highest setting and onefor the lowest.

    The passenger seat may takelonger to heat up.

    The heated and cooled seats arecanceled when the ignition is turnedoff. To use this feature afterrestarting the vehicle, press thedesired button again.

  • Black plate (8,1)GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11

    3-8 Seats and Restraints

    Remote Start Heated Seats

    When it is cold outside, the heatedseats may turn on automaticallyduring a remote vehicle start. Theheated seats will be canceled whenthe ignition is turned on. Press thedesired button to use the heatedseats after the vehicle is started.

    The lights on the heated seatbuttons do not turn on during aremote start.

    The temperature performance of anunoccupied seat may be reduced.This is normal.

    See Remote Vehic