See also:

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

Adjusting the side extensions
Adjusting the side extensions Fold forward for increased lateral support in the resting position. Removing The head restraints cannot be removed. ...

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