See also:

Removing: Electrical* head restraints
Note Do not remove the rear head restraints. To avoid damage, they can only be installed by your service center. Removing Only remove the head restraint if no one will be sitting in the seat ...

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

Reference
This chapter contains technical data, short commands for the voice activation system, and an index that will quickly take you to the information you need. ...