See also:

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Adjusting
Danger of burns when screen is folded out Do not reach behind the screen; otherwise, there is the danger of getting burned. The back of the screen can become very hot.◀ ▷ To fold ...

Distance to back of head: manual head restraints
Distance to back of head: manual head restraints ▷ Forward: by pulling ▷ Back: press the button and push the head restraint toward the rear. ...