See also:

Loss of the remote controls
Lost remote controls can be blocked by your service center. ...

Changing, maintaining, and storing the speed
The rocker switch can be pressed while the system is interrupted to maintain and store the current speed. DSC Dynamic Stability Control is switched on, if necessary. Adapting the desired speed ...

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