Activating HDC

Press the button; the LED above

the button Press the button; the LED above the button lights up.

    See also:

    Contacts
    ...

    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. ...

    Automatic deactivation during forward travel
    The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...