See also:

Switching the warning function on/off
Press the button On: the LED lights up. Off: the LED goes out. The state is stored for the remote control currently in use. ...

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

Switching on/off
Switching on/off Press button 1 on the steering wheel. ▷ On: lane markings 2 are lit. ▷ Off: lane markings 2 go out. The system can issue warnings at speeds above approx. 40 mph/65 ...