See also:

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 ...

Possible commands
Most menu items on the Control Display can be voiced as commands. The available commands depend on which menu is currently displayed on the Control Display. There are short commands for function ...

Upholstery material care
Vacuum regularly with a vacuum cleaner. If they are very dirty, e.g., beverage stains, use a soft sponge or microfiber cloth with a suitable interior cleaner. Clean the upholstery down to the se ...