See also:

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

Opening/closing the glass sunroof
When the sliding visor is open, proceed as described under Sliding visor. ...

Safety information
The tire characteristics and tire inflation pressure influence the following: ► The service life of the tires. ► Road safety. ► Driving comfort. ...