See also:

Power failure
After a temporary power loss, some equipment needs to be reinitialized. Individual settings need to be reprogrammed: ▷ Seat, mirror, and steering wheel memory: store the positions again. ...

Switching off automatically
The system switches off and the LED goes out: After approx. 160 ft/50 m when driving forward. Above approx. 22 mph/36 km/h when driving forward. Switch on the system again if necessary. ...

Interior motion sensor
The windows and glass sunroof must be closed for the system to function properly. ...