See also:

The concept
The following can be operated using the buttons and the thumbwheel on the steering wheel: Current audio source. Redial on telephone*. Activation of the voice activation system*. ...

Starting destination guidance
›Start guidance‹ ...

The concept
Pressing the Start/Stop button switches the ignition on or off and starts the engine. Automatic transmission: the engine starts if the brake is depressed when the Start/Stop button is presse ...