See also:

Reading lamps
Press the button. Reading lamps are located at the front and rear next to the interior lamps. With the interior lamps shut off, the reading lamps cannot be switched on. ...

Switching on/off manually
Press the button. On: the LED lights up. Off: the LED goes out. The PDC is shown on the Control Display. Switch on the backup camera via the iDrive. ...

The concept
The Check Control system monitors functions in the vehicle and notifies you of malfunctions in the monitored systems. A Check Control message is displayed as a combination of indicator or warni ...