See also:

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

Xenon headlamps
Because of the long life of these bulbs, the likelihood of failure is very low. Switching the lamps on and off frequently shortens their life. If a bulb fails, switch on the front fog lamps and ...

Long-term vehicle storage
Your service center can advise you on what to consider when storing the vehicle for longer than three months. ...