See also:

Malfunction
A Check Control message is displayed. On the Control Display, the areas in front of and behind the vehicle are shaded. PDC has failed. Have the system checked. To ensure full operability: ...

Opening the favorites
If an activated favorite is played back, the following message appears for approx. 20 seconds: "Favorite alert!". "Favorites" Select the symbol while the message is shown. ...

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. ...