See also:

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. ...

After refilling diesel exhaust fluid
Incorrect fluid Incorrect fluids After refilling with the incorrect fluid, e.g., antifreeze for windshield wiper fluid, do not start the engine because this could result in a fire hazard. ...

Controls
Almost all functions can be operated in the same manner as they are in the front. Special features of operating the system in the rear are described here. ...