DRIVING USPS 4X4 VEHICLES

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DRIVING USPS 4X4 VEHICLES

The attached presentation is provided to assist Driving Safety Instructors (DSIs) in the familiarization, instruction, and sponsoring of driver awareness on use of 4WD

features and capability on some of our delivery vehicles (LLV, FFV).

It is to be used at locations around the country that have 4WD delivery vehicles in their fleet.

This presentation should be utilized during the following components of the new hire driver training program:

NSC- DDC, Vehicle Familiarization, and Delivery Skills Course

In addition to new hire training the presentation can be utilized for employee safety talks, Refresher, and Driver Improvement training. Document accordingly in the

driver’s 4582.

Questions or comments concerning this training and awareness aid can be directed to Safety and Environmental Performance Management.

CREATED BY:CREATED BY:TOM SPENCERTOM SPENCER

DSIDSIPORTLAND, ORPORTLAND, OR

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The Postal Service has many types of vehicles that have Four-Wheel Drive capability. Always read the vehicle OWNERS MANUAL before operating these vehicles. Vehicle manufactures have different systems and it’s the drivers responsibility to know how to operate them.

Notice:Driving in the 4-wheel High (4H) or 4-wheel Low (4L) position for a long time on dry or wet pavement could shorten the life of your vehicle’s drivetrain.


DSI DSI PORTLAND, ORPORTLAND, OR

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Three common types of Four-Wheel drive systems

1. ”Part-Time 4x4” (DRIVER MANUALY SHIFTS USING A LEVER OR SWITCH)Vehicle has selectable 4x4 “Power to all four wheels” or regular 4x2 “Power to two wheels only”. Example: FFV/LLV, JEEP Cherokee, Ford explorer

2. ”Full Time 4x4” (NO ACTION BY DRIVER TO ACTIVATE SYSTEM)Power to all wheels is constantly provided transferring from front to rear axles as needed. Example: 1997 Aerostars

3. “Auto 4x4” Automatic 4x4 is ideal for use when road condition are variable. In this mode the vehicle senses loss of traction and automatically engages the four wheel drive system



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Read owners manual “Example FFV/LLV”

On how to engage system

Four-wheel drive WON’T HELP YOU STOP on snow & ice

Four-wheel drive WILL help you get started and will help maintain control in snow.

Only chains, cables, or studded tires help on ice!


. ”Part-Time 4x4” FFV/CRV (DRIVER MANUALY SHIFT USING SWITCH)



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BEFORE MOVING Clean all windows &

mirrors Clear any snow off the

hood, truck & roof. Clear immediate area

around the wheels for snow

Start vehicle & engage the heater & defroster.

“Never leave motor running if the driver is not behind the wheel”

DON’T BREAK TRACTION Use (D2) or (D1) to move

forward Shift to D on clear roads

and at highway speeds Accelerate very gently

Reminder: “You must wear safety belts at all times the vehicle is motion”



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DON’T BREAK TRACTION

Keep lots of distance between you and vehicle ahead (5-6 seconds or more)

Slow considerably before going into curves

Try to avoid having to stop while on an uphill grade. Creep until the way is clear or stop at the base of the hill until the way is clear.

START STOPPING SOONER. “DON’T BREAK TRACTION”

If you have anti-lock brakes, firmly depress the pedal.

If you don’t have ABS brakes, gently but rapidly; pump the brake peddle. Don’t panic, freeze-up or hold the peddle down.




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Under Bridges: Snow and Ice stay on the road longer in these shaded areas

Overpasses: Are surrounded by cold air thus freezing before ground surfaces

BLACK ICE: Where snow melt or other water has run onto the road, it may re-freeze and blend into the road surface.

Snow & Ice Chunks: These fall of the wheel wells of vehicles. Hitting these may cause you to loose control of your vehicle.

DRIVING USPS 4X4 VEHICLESPotential Hazard Spots



DRIVING USPS 4X4 VEHICLES

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