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Auto Start Stop Function
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 safety functions are still available.
Stopping the engine
The Auto Start Stop function stops the engine shortly after the vehicle stops moving.
Preconditions for stopping the engine
Leaving the vehicle after the engine is stopped automatically
If the Tiptronic S selector lever position P is engaged, the driver’s seat belt is unbuckled and the driver’s door is opened without the ignition being switched off, a warning tone sounds when the door is opened and the warning message "Please switch off the ignition" appears on the multi-function display in the instrument panel.
Starting the engine
The Auto Start Stop function starts the engine:
You can drive off normally.
The engine will start automatically in certain situations, e.g. if the vehicle starts rolling, if air conditioning causes reduced comfort, or if the brake vacuum is reduced.
Starting the engine manually after unbuckling
the seat belt
If the driver’s seat belt is unbuckled and the brake is then released after the engine was stopped automatically, the engine will not start automatically.
The message "Please start engine manually" will appear on the multi-function display of the instrument panel.