See also:

Screw thread
Push out the cover by pressing on the top edge. ...

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 ...

Arrow view
The following information is displayed during destination guidance: ▷ Large arrow: indicates the current direction of travel. ▷ Small arrow: indicates the next change in direction. ...