The concept

The automatic engine start-stop function helps save fuel. The system switches off the engine during a stop, e. g., in a traffic congestion or at traffic lights. The ignition remains switched on.

The engine starts again automatically for driving off.

    See also:

    Malfunction
    A message is displayed in the instrument cluster. HDC is not available, e.g., due to elevated brake temperatures. ...

    Switching the microphone to mute
    When a call is active, the microphone can be muted. 1. "Telephone" 2. "Active calls" 3. "Microphone mute" A microphone that has been switched to mute is automati ...

    Switching on/off
    Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. The system can issue warnings at speeds above approx. 30 mph/50 km/h. The state is stored for the remote contro ...