Ford 2007 Expedition v.2 Manuel d'utilisateur télécharger pdf (Page 279)

Normal characteristics

On some four–wheel drive models, the initial shift from two-wheel drive

to four–wheel drive while the vehicle is moving can cause some

momentary clunk and ratcheting sounds. This is the front drivetrain

coming up to speed and engaging the front wheels, and is not cause for

concern.

Sand

When driving over sand, try to keep all four wheels on the most solid

area of the trail. Avoid reducing the tire pressures but shift to a lower

gear and drive steadily through the terrain. Apply the accelerator slowly

and avoid spinning the wheels.

Note: If air is released from your tires, the Tire Pressure Monitoring

System (TPMS) indicator light may illuminate.

Avoid excessive speed because vehicle momentum can work against you

and cause the vehicle to become stuck to the point that assistance may

be required from another vehicle. Remember, you may be able to back

out the way you came if you proceed with caution.

If your vehicle is equipped with AdvanceTrac威 with RSC, press the

AdvanceTrac威 with RSC button (refer to AdvanceTrac威 with Roll

Stability Control (RSC) Stability Enhancement System in this

chapter) while driving in deep sand if you experience excessive engine

power reduction.

Mud and water

If you must drive through high

water, drive slowly. Traction or

brake capability may be limited.

When driving through water,

determine the depth; avoid water

higher than the bottom of the hubs

(if possible) and proceed slowly. If the ignition system gets wet, the

vehicle may stall.

Once through water, always try the brakes. Wet brakes do not stop the

vehicle as effectively as dry brakes. Drying can be improved by moving

your vehicle slowly while applying light pressure on the brake pedal.

Be cautious of sudden changes in vehicle speed or direction when you

are driving in mud. Even four–wheel drive vehicles can lose traction in

slick mud. As when you are driving over sand, apply the accelerator

slowly and avoid spinning your wheels. If the vehicle does slide, steer in

the direction of the slide until you regain control of the vehicle.

2007 Expedition (exd)

Owners Guide (post-2002-fmt)

USA (fus)

Driving

279

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Ford 2007 Expedition v.2 Manuel d'utilisateur Page 279

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