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:

    Last destinations
    At a glance The destinations previously entered are stored automatically. The destinations can be called up and used as a destination for destination guidance. Calling up the last destination ...

    Contacts
    ...

    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 ...