Ford 2014 F-550 v.3 Manuel d'utilisateur télécharger pdf (Page 146)

Tow/haul delays upshifts to reduce

frequency of transmission shifting.

Tow/haul also provides engine braking in

all forward gears when the transmission is

in the D (Overdrive) position; this engine

braking will slow the vehicle and assist the

driver in controlling the vehicle when

descending a grade. Depending on driving

conditions and load conditions, the

transmission may downshift, slow the

vehicle and control the vehicle speed when

descending a hill, without the accelerator

pedal being pressed. The amount of

downshift braking provided will vary based

upon the amount the brake pedal is

pressed.

To deactivate the tow/haul feature and

return to normal driving mode, press the

button on the end of the gearshift lever.

The TOW HAUL light will no longer be

illuminated.

When you shut-off and restart the engine,

the transmission will automatically return

to normal D (Overdrive) mode (tow/haul

off).

WARNING

Do not use the tow/haul feature

when driving in icy or slippery

conditions as the increased engine

braking can cause the rear wheels to slide

and the vehicle to swing around with the

possible loss of vehicle control.

3 (Third)

Transmission starts and operates in third

gear only

Used for improved traction on slippery

roads. Selecting 3 (Third) provides engine

braking.

2 (Second)

Use 2 (Second) to start-up on slippery

roads or to provide additional engine

braking on downgrades.

1 (First)

• Provides maximum engine braking

• Allows upshifts by moving gearshift

lever

• The transmission will not downshift

into 1 (First) at high speeds; it will

downshift to a lower gear and then

shift into 1 (First) when the vehicle

reaches slower speeds.

Forced downshifts

• Allowed in D (Overdrive) with the

tow/haul feature on or off

• Press the accelerator to the floor

• Allows transmission to select an

appropriate gear

Understanding the Shift Positions

of a 6–Speed Automatic

Transmission (If Equipped)

E163183

Putting your vehicle in or out of gear:

1. Fully press down the brake pedal.

2. Move the gearshift lever into the

desired gear.

3. Come to a complete stop.

4. Move the gearshift lever and securely

latch it in P (Park)

P (Park)

This position locks the transmission and

prevents the rear wheels from turning.

143

Super Duty (TFA)

Transmission

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