See also:

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

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...

Malfunctions
Steering wheel vibration Frequent activation of the steering wheel vibration causes the system to overheat. This causes the lane departure warning to become deactivated. Let the system cool and ...