See also:

Issuing a warning
If the vehicle begins leaving the lane and a lane marking has been detected, the steering wheel begins vibrating. If the turn signal is set before the lane is changed, a warning is not issued. ...

Comfort function
▷ Press the switch twice with the sunroof open: The sunroof is raised. ▷ When the sunroof is raised, briefly press the switch twice in the opening direction: The sunroof is opene ...

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 ...