See also:

Switching off automatically
System switches off: above approx. 9 mph/ 15 km/h. Switch on the system again if necessary. ...

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...

Correctly adjusted head restraint
A correctly adjusted head restraint reduces the risk of injury to cervical vertebrae in the event of an accident. Adjusting the head restraint Correctly adjust the head restraints of all occu ...