See also:

Deleting the button assignments
1. Press buttons 1 and 8 simultaneously for approx. five seconds. 2. "OK" ...

Vehicle paint
Regular care contributes to driving safety and value retention. Environmental influences can act on the vehicle paint. Tailor the frequency and extent of your car care to these influences. ...

Tone
Only treble and bass can be set in the rear. The settings are made separately for the left and right headphones. Operation is the same as for the front tone. ...