See also:

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. ...

Roadside Assistance
Service availability Roadside Assistance can be reached around the clock in many countries. You can obtain assistance there in the event of a vehicle breakdown. Roadside Assistance The Roadside ...

Multi-channel playback, surround
Choose between stereo and multi-channel playback, surround. Setting multi-channel playback, surround 1. "CD/Multimedia", "Radio" or "Settings". 2. "Tone" ...