See also:

The concept
The system is functional at speeds beginning at approx. 20 mph/30 km/h. It maintains the speed that was set using the control elements on the steering wheel. The system brakes on downhill gradie ...

Tilting the glass sunroof
Push switch upward briefly. The closed roof is tilted and the sliding visor opens slightly. The opened roof closes until it is in its tilted position. The sliding visor stays complete ...

Following part replacement
The same breaking in procedures should be observed if any of the components mentioned above have to be renewed in the course of the vehicle's operating life. ...