See also:

Display on the Control Display
Switching on the backup camera via iDrive With PDC activated: "Rear view camera" The backup camera image is displayed. The setting is stored for the remote control currently in use ...

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. ...

General information
The sound settings are stored for the remote control currently in use. ...