See also:

Antilock Brake System ABS
ABS prevents locking of the wheels during braking. The vehicle remains steerable even during full brake applications, thus increasing active safety. ABS is operational every time you start the e ...

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 ...

Switching off automatically
System switches off: above approx. 9 mph/ 15 km/h. Switch on the system again if necessary. ...