Ford 2003 Expedition v.3 Manuel d'utilisateur télécharger pdf (Page 242)

4. Attach the trailer to the vehicle and adjust the hitch equalizers so that

the front bumper height is within 0–13 mm (0.5 in) of the reference

point. After proper adjustment, the rear bumper should be no higher

than in Step 3.

5. Turn the air suspension (if equipped) control to ON.

Note: Adjusting an equalizing hitch so the rear bumper of the vehicle is

higher than it was unloaded will defeat the function of the load

equalizing hitch and may cause unpredictable handling.

Safety chains

Always connect the trailer’s safety chains to the frame or hook retainers

of the vehicle hitch. To connect the trailer’s safety chains, cross the

chains under the trailer tongue and allow slack for turning corners.

If you use a rental trailer, follow the instructions that the rental agency

gives to you.

Do not attach safety chains to the bumper.

Trailer brakes

Electric brakes and manual, automatic or surge-type trailer brakes are

safe if installed properly and adjusted to the manufacturer’s

specifications. The trailer brakes must meet local and Federal

regulations.

Do not connect a trailer’s hydraulic brake system directly to your

vehicle’s brake system. Your vehicle may not have enough

braking power and your chances of having a collision greatly increase.

The braking system of the tow vehicle is rated for operation at the

GVWR not GCWR.

Trailer lamps

Trailer lamps are required on most towed vehicles. Make sure your

trailer lamps conform to local and Federal regulations. See your dealer or

trailer rental agency for proper instructions and equipment for hooking

up trailer lamps.

Driving while you tow

When towing a trailer:

• Turn off the speed control. The speed control may shut off

automatically when you are towing on long, steep grades.

Driving

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Ford 2003 Expedition v.3 Manuel d'utilisateur Page 242