See also:

Switching off automatically
The system switches off and the LED goes out: After approx. 33 ft/10 m when driving forward. Above approx. 9 mph/15 km/h when driving forward. Switch on the system again if necessary. ...

PDC Park Distance Control
The concept In addition to the PDC Park Distance Control, the backup camera*, can be switched on. PDC supports you when parking. Objects that you are approaching slowly in front of or behind ...

Switching on automatically
With the engine running or the ignition switched on, shift the selector lever into position R. The image of the rear view camera is displayed when the system has been switched on using iDrive. ...