See also:

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...

Possible commands
Most menu items on the Control Display can be voiced as commands. The available commands depend on which menu is currently displayed on the Control Display. There are short commands for function ...

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. ...