See also:

Before mounting
If the rear seat backrests are adjustable: Before mounting child restraint fixing systems, return all of the rear seat backrests to the basic position. ...

Malfunction
A message is displayed. Adaptive light control is malfunctioning or has failed. Have the system checked as soon as possible. ...

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. ...