See also:

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

Malfunction
A message is displayed. Adaptive light control is malfunctioning or has failed. Have the system checked as soon as possible. ...

System limits
Sudden tire damage Sudden serious tire damage caused by external influences cannot be indicated in advance. ◀ The system does not operate correctly if it has not been reset. For exampl ...