See also:

Activating HDC
Press the button; the LED above the button lights up. ...

Displays in the instrument cluster
Indicator lamp Depending on how the vehicle is equipped, the indicator lamp in the instrument cluster indicates whether the system is switched on. Desired speed ▷ The marking light ...

Switching on/off
Press the button. On: the LED lights up. Off: the LED goes out. The system can issue warnings at speeds above approx. 30 mph/50 km/h. The state is stored for the remote control currentl ...