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Manual: 2013/2014 911

Page: 139

Auto Start Stop Function
On vehicles with PDK transmission or manual transmission, the engine stops automatically when the vehicle is stopped, e.g. at traffic lights or in a traffic jam. The Auto Start Stop function thus helps to save fuel.

The ignition stays on even when the engine switches off automatically. All functions are still available.

Preconditions for stopping the engine automatically
– Auto Start Stop function is switched on.
– Engine compartment lid closed.
– Driver detected: driver's seat belt fastened and driver's door closed.
– PDK selector lever in position D, N or P or transmission range 1 or 2 selected manually
or gearshift lever in neutral and clutch pedal not depressed.
– Engine, transmission and battery are at operating temperature.
– Vehicle was driven at a speed of more than approx. 1 mph (2 km/h) for at least 1.5 seconds since the engine last
stopped automatically.

Manual transmission:
Stopping and starting the engine

Stopping
The Auto Start Stop function stops the engine as soon as the vehicle stops moving:

  1. Use the footbrake to stop the vehicle.
  2. The engine will stop if the gearshift lever is in neutral and the clutch pedal is no longer depressed.

Starting
The Auto Start Stop function starts the engine:

  • Fully depress the clutch pedal and engage gear from neutral.

You can drive off normally.

PDK transmission:
Stopping and starting the engine

Stopping
The Auto Start Stop function stops the engine as soon as the vehicle stops moving:

  1. Use the footbrake to stop the vehicle.
  2. Keep the footbrake pressed. or
    Move PDK selector lever to position P.

Starting
The Auto Start Stop function starts the engine:

  • In PDK selector-lever position D, N or manually selected transmission range 1 or 2:
    Release the footbrake. or
    Press the accelerator. or
    Move PDK selector lever to position R.

You can drive off normally.

Information
The engine will start automatically in certain situations, e.g. if the vehicle starts rolling, to ensure passenger comfort via air conditioning, or if the brake vacuum is reduced.


Starting the engine manually after leaving the vehicle
If the driver's safety belt is unbuckled or the driver's door is opened after the engine was stopped automatically, the engine will not start automatically. Furthermore, if the brake is released, the engine has to be started manually.

The message "Please start engine manually" will appear on the multi-function display in the instrument panel.

  • Please see the chapter "OVERVIEW OF WARNING AND INFORMATION MESSAGES" on page 126.
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