See also:

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Note
Children in the vehicle Do not leave children unattended in the vehicle; otherwise, they could endanger themselves and other persons, e.g., by opening the doors.◀ ...

Setting the language
Press the adjustment button for 12‑13 seconds. Briefly press the adjustment button again to switch between English "E" and German "O". The setting is automatically saved ...