See also:

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

Tilting the glass sunroof
Push switch upward briefly. ▷ Closed roof is tilted open. ▷ The opened roof closes until it is in its tilted position. The sliding visor stays completely open. ...

Switching on/off manually
Press the button. ...