See also:

Camera
The camera is located near the base of the mirror. Keep windshield clean and clear in the area in front of the interior rear view mirror. ...

Following part replacement
The same breaking in procedures should be observed if any of the components mentioned above have to be renewed in the course of the vehicle's operating life. ...

Switching on/off manually
Switching on/off manually Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. If Top View is displayed, switch on the backup camera via the iDrive. ...