Resetting the tone settings
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
3. "Reset"
See also:
Display
Display
1. The system is activated.
2. Arrows: at least one lane marking was detected
and warnings can be issued. ...
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. ...
Telephone
...