Ford 2015 F-550 v.1 Manuel d'utilisateur télécharger pdf (Page 207)

• When stopped in congested or

heavy traffic during hot

weather, place the gearshift in

position P to aid engine and

transmission cooling and to

help A/C performance.

• Turn off the speed control with

heavy loads or in hilly terrain.

The speed control may turn off

automatically when you are

towing on long, steep grades.

• Shift to a lower gear when

driving down a long or steep

hill. Do not apply the brakes

continuously, as they may

overheat and become less

effective.

• If your transmission is equipped

with a Grade Assist or

Tow/Haul feature, use this

feature when towing. This

provides engine braking and

helps eliminate excessive

transmission shifting for

optimum fuel economy and

transmission cooling.

• If your vehicle is equipped with

AdvanceTrac with RSC, this

system may turn on during

typical cornering maneuvers

with a heavily loaded trailer.

This is normal. Turning the

corner at a slower speed while

towing may reduce this

tendency.

• If you are towing a trailer

frequently in hot weather, hilly

conditions, at the gross

combined weight rating (or any

combination of these factors),

consider refilling your rear axle

with synthetic gear lubricant (if

the axle is not already filled

with it). See Capacities and

Specifications (page 301).

• Allow more distance for

stopping with a trailer

attached. Anticipate stops and

brake gradually.

• Avoid parking on a grade.

However, if you must park on a

grade:

1. Turn the steering wheel to

point your vehicle tires away

from traffic flow.

2. Set your vehicle parking brake.

3. Place the automatic

transmission in position P.

4. Place wheel chocks in front

and back of the trailer wheels.

(Chocks not included with

vehicle.)

Your vehicle may be equipped

with a temporary or conventional

spare tire. A "temporary" spare tire

is different in size (diameter or

width), tread-type (All-Season or

All Terrain) or is from a different

manufacturer than the road tires

on your vehicle. Consult

information on the tire label or

Safety Compliance label for

limitations when using.

204

Super Duty (), enUSA

Towing

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