See also:

Right control panel
Back button ...

System self-test
After you have switched on the ignition, the system carries out a self-diagnosis. WARNING A malfunction in the system has been detected if one of the following conditions occurs:  - ...

Folding the rear seat backrest forward
Fully insert the backrest head restraints (). Move the driver's or front-passenger seat forward if necessary. Pull left-hand or right-hand release handle 2 of the seat backrest forwards. ...