See also:

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

General information
Do not adjust while driving Do not adjust the steering wheel while driving; otherwise, an unexpected movement could result in an accident.◀ ...

Video playback
Country codesOnly DVDs with the code of the home region can be played back; also refer to the information on your DVD.   Starting playbackFor your own safety, the video image is only displayed ...