See also:

Opening/closing the glass sunroof and sliding 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 motio ...

Remove unnecessary cargo
Additional weight increases fuel consumption. ...

What to do if...
Only a black screen is visible. Switch on the system. There are no options available on the screen. Switch over between the display screens. Radio stations or TV channels are grayed out ...