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. ...

Fuel gauge
Fuel gauge The vehicle inclination may cause the display to vary. Notes on refueling ...

Switching on/off manually
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. ...