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: ...

TeleService Battery Guard
TeleService Battery Guard continually checks the battery charge level of the vehicle. If the battery charge level falls below a certain value, a notification is automatically sent to your servic ...

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 ...