Malfunction

A message is displayed in the instrument cluster.

HDC is not available, e.g., due to elevated brake temperatures.

    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. ...

    Adaptive brake assistant
    In combination with the Active Cruise Control, this system ensures that the brakes respond even more rapidly when braking in critical situations. Refer also to Collision warning ...

    Using voice activation
    Activating the voice activation system 1. Press the button on the steering wheel. 2. Wait for the signal. 3. Say the command. The command is displayed in the instrument cluster. This symb ...