See also:

Messages after trip completion
Malfunctions indicated during a trip are displayed again after the ignition is switched off. ...

Deleting all stored programs
Press both outer memory buttons 1 for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually. ...

Equalizer
Setting for individual audio frequency ranges. Adjusting the equalizer 1. "CD/Multimedia", "Radio" or "Settings". 2. "Tone". 3. "Equalizer". 4. S ...