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WARNING: The hill assist feature does not replace the parking
brake. When you leave the vehicle, always apply the parking
brake and select first or reverse gear.
Using the hill assist feature
The hill assist feature is activated automatically when the vehicle is
stopped on a slope greater than five degrees. The hill assist feature
operates with the vehicle facing downhill if reverse gear is selected. The
hill assist feature will not operate if the parking brake is activated.
WARNING: You must remain in the vehicle once you have
activated the hill assist feature.
Activating the hill assist feature
1. Press the brake pedal to bring the vehicle to a complete standstill.
Keep the brake pedal pressed.
2. If the sensors detect that the vehicle is on a slope, the hill assist
feature will be activated automatically.
3. When you remove your foot from the brake pedal, the vehicle will
remain on the slope without rolling away for approximately up to two
seconds. This hold time will automatically be extended if you are in the
process of driving off.
4. Drive off in the normal manner. The brakes will be released
automatically.
WARNING: If the engine is revved excessively, or if a
malfunction is detected when the hill assist feature is active, the
hill assist feature will be deactivated.
If your vehicle gets stuck in mud or snow
If your vehicle gets stuck in mud or snow, it may be rocked out by
shifting between forward and reverse gears, stopping between shifts in a
steady pattern. Press lightly on the accelerator in each gear.
Do not rock the vehicle if the engine is not at normal operating
temperature or damage to the transmission may occur.
Do not rock the vehicle for more than a minute or damage to the
transmission and tires may occur, or the engine may overheat.
Driving
288
2011 F-250/350/450/550 (f23)
Owners Guide, 1st Printing
USA (fus)