See also:

Activating HDC
Press the button; the LED above the button lights up. ...

Opening/closing the glass sunroof andsliding visor together
Briefly press the switch twice in succession in the desired direction past the resistance point. The glass sunroof and sliding visor move together. Pressing the switch again stops the motion ...

Central locking system
The conceptThe central locking system functions when the driver's door is closed. The system simultaneously engages and releases the locks on the following: > Doors > Trunk lid > Fuel ...