See also:

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

Following part replacement
The same breaking in procedures should be observed if any of the components mentioned above have to be renewed in the course of the vehicle's operating life. ...

Safety switch for the rear
Press the button on the driver's door if children are being transported in the rear. This locks the rear window switches so that the windows cannot be operated from the rear: safety switch. ...