See also:

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

Closing the windows and glass sunroof/panoramic glass sunroof
Driving with the glass sunroof/panoramic glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

Tilting the glass sunroof
Press the switch. The closed sunroof is tilted and the sliding visor opens slightly. Do not use force to close the sliding visor Do not use force to close the sliding visor with the glass su ...