Ford 2012 F-250 Manuel d'utilisateur télécharger pdf (Page 294)

Recommended shift speeds

Upshift according to the following chart:

Upshifts when accelerating (recommended for best fuel economy)

Shift from: Gasoline engines Diesel engines

1 – 2 15 mph (24 km/h) 12 mph (19 km/h)

2 – 3 25 mph (40 km/h) 19 mph (31 km/h)

3 – 4 40 mph (64 km/h) 26 mph (42 km/h)

4 – 5 45 mph (72 km/h) 34 mph (55 km/h)

5 – 6 50 mph (80 km/h) 46 mph (74 km/h)

In order to prevent the engine from running at too low an RPM, which

may cause it to stall, the SST will still automatically make some

downshifts if it has determined that you have not downshifted in time.

Although the SST will make some downshifts for you, it will still allow

you to downshift at any time as long as the SST determines that the

engine will not be damaged from over-revving.

The SST will not automatically upshift, even if the engine is approaching

the RPM limit. It must be shifted manually by pressing the + button.

Engine damage may occur if excessive engine revving is held

without shifting.

Hill start assist (HSA)

The hill start assist feature makes it easier to pull away when the vehicle

is on a slope without the need to use the parking brake. When the hill

start assist feature is active, the vehicle will remain stationary on the

slope for up to two seconds after you release the brake pedal. During

this time, you have time to move your foot from the brake to the

accelerator pedal and pull away. The brakes are released automatically

once the engine has developed sufficient drive to prevent the vehicle

from rolling down the slope. This is an advantage when pulling away on a

slope; for example from a car park ramp, traffic lights or when reversing

uphill into a parking space.

WARNING: The hill start assist feature does not replace the

parking brake. When you leave the vehicle, always apply the

parking brake and select first or reverse gear.

Driving

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2012 F-250/350/450/550 (f23)

Owners Guide, 4th Printing

USA (fus)

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Ford 2012 F-250 Manuel d'utilisateur Page 294