Deleting the button assignments
1. Press buttons 1 and 8 simultaneously for approx. five seconds.
2. "OK"
See also:
After the ignition is switched off
The roof can still be operated for approx. 1 minute,
as long as no door has been opened. ...
Adjusting
Vehicle
Equipment
...
Adjusting the volume
Turn the volume button while giving an instruction
until the desired volume is set.
▷ The volume remains constant even if the
volume of other audio sources is changed.
▷ The volume i ...