See also:

Switching DVD system on/off
Press the button on the CD-/DVD player or under the desired screen. The DVD system switches on automatically when a CD or DVD is inserted. ...

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 on/off
1. "Settings" 2. "Head-up display" 3. "Head-up display" Switch the Head-up Display ON/OFF as required. ...