See also:

Telephone
...

All around the center console
1 Headliner 2 Control Display 3 Glove compartment 4 Air vent 5 Hazard warning system Central locking system 6 Automatic climate control 7 Radio CD/multimedia 8 Controller with buttons 9 ...

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