Malfunction

comes on when the The warning lamp comes on when the system has failed.

A message appears on the Control Display. More information

    See also:

    Sound output
    Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...

    Activating HDC
    Activating HDC Press the button; the LED above the button lights up. The LED flashes when the brakes are applied automatically. ...

    Initialization after a power failure
    After a power failure, it is only possible to raise the roof, if necessary. Have the system initialized by your service center. ...