See also:

Number of safety belts
Your vehicle has been fitted with five safety belts for the safety of you and your passengers. However, they can only offer protection when adjusted correctly. ...

Controls
Activating Switch position with the ignition switched on. The turning lamps are automatically switched on depending on the steering angle or the use of turn signals. To avoid blinding onco ...

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. ...