See also:

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 ...

Terminating the voice activation system
Briefly press the button on the steering wheel or ›Cancel‹. ...

Battery replacement
Use approved vehicle batteries Only use vehicle batteries that have been approved for your vehicle by the manufacturer; otherwise, the vehicle could be damaged and systems or functions may no ...