See also:

Opening
1. Briefly press the rear edge of the fuel filler flap. Opening 2. Turn the fuel cap counterclockwise. 3. Place the fuel cap in the bracket attached to the fuel filler flap. ...

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
Top View assists you in parking and maneuvering. The area around the doors and the road area around the vehicle are shown on the Control Display for this purpose. ...