See also:

Adjusting
The parking lamps or low beams must be switched on to adjust the brightness. Adjust the brightness using the thumbwheel. ...

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. ...

Controls
Almost all functions can be operated in the same manner as they are in the front. Special features of operating the system in the rear are described here. ...