See also:

Deleting all stored programs
Press both outer memory buttons 1 for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually. ...

Adjusting the height: manual head restraints
Adjusting the height: manual head restraints ▷ To raise: pull. ▷ To lower: press the button, arrow 1, and push the head restraint down. ...

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