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. ...

The concept
The central locking system becomes active when the driver's door is closed. The system simultaneously engages and releases the locks on the following: ► Doors. ► Tailgate. ► ...

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. ...