See also:

Functional readiness of the airbag system
When the ignition is switch on, the warning lamp in the instrument cluster lights up briefly and thereby indicates the operational readiness of the entire airbag system and the belt tensione ...

Interior motion sensor
For the sensor to function properly, the windows and glass sunroof/panoramic glass sunroof must be closed. ...

Deactivating DSC: DSC OFF
When DSC is deactivated, driving stability is reduced during acceleration and when driving in bends. To increase vehicle stability, activate DSC again as soon as possible. Deactivating DSC ...