See also:

Gear shift indicator
The concept The system recommends the most fuel efficient gear in the current driving situation. Displays Indicators to shift up or down are displayed in the instrument cluster. ...

Switching on automatically
Select transmission position R with the engine running. The backup camera image is displayed if the system was switched on via the iDrive. ...

The concept
The rear view camera assists you when parking and maneuvering in reverse. To accomplish this, the region behind your vehicle is shown on the Control Display. ...