Manual: 2011/2012 911

Page: 146

Drive-Off Assistant
The Drive-Off Assistant assists the driver when moving off on hills.

The vehicle must have sufficient road contact.

The Drive-Off Assistant is available on gradients as from around 5%.

Limits of Drive-Off Assistant

The limits dictated by the laws of physics cannot be overcome, even with the Drive-Off Assistant.

The responsibility for moving off on upward slopes is still the driver's, despite the Drive-Off Assistant.

Assistance by the Drive-Off Assistant is not guaranteed when moving off on a slippery surface (e.g. on icy or loose surfaces). In this case, the vehicle could slip.

  • Always adjust your driving style to the driving conditions and vehicle load, use the brake pedal if necessary.


Drive-Off Assistant Not Working

If the Drive-Off Assistant is not functioning, the driver cannot be assisted when moving off on hills.

  • Hold the vehicle with the brake pedal.

Driving off with the Drive-Off Assistant (vehicles with manual transmission)

  1. Hold the vehicle securely on the slope with the brake pedal.
    The engine must be running.
  2. Fully depress the clutch pedal.
  3. Engage a gear corresponding to the direction of travel up the slope (1st gear or reverse gear).
  4. Fully release the parking brake.
  5. While keeping the clutch pedal depressed, release the brake pedal.
    The vehicle is held on the slope for a short time in order to allow driving off directly after the brake is released.
  6. Move off as usual.

Information
The Drive-Off Assistant is not active:
– If the clutch is not depressed.
– If the vehicle is not stationary.
– If the engine is not running.
– On gradients of less than 5%.
– If the pressure on the brake pedal is too low.


Driving off with the Drive-Off Assistant (vehicles with PDK transmission)

  1. Hold the vehicle securely on the slope with the brake pedal.
    The engine must be running.
  2. Select a gear corresponding to the direction of travel up the slope (selector lever position D or R).
  3. Fully release the parking brake.
  4. Release the brake pedal.
    The vehicle is held on the slope for a short time in order to allow driving off directly after the brake is released.
  5. Move off as usual.

Information
The Drive-Off Assistant is not active:
– In the event of shift to neutral.
– If the vehicle is not stationary.
– If the engine is not running.
– On gradients of less than 5%.
– If the pressure on the brake pedal is too low.