See also:

Welcome lamps
When parking the vehicle, leave the switch in position or : the parking and interior lamps light up briefly when the vehicle is unlocked. Activating/deactivating the welcome lamps 1. " ...

Initialization after a power failure
After a power failure, it is only possible to raise the roof, if necessary. Have the system initialized by your service center. ...

Switching on/off manually
Switching on/off manually Press the button. ...