See also:

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

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 s ...

Adjusting the volume
Turn the knob during an announcement. The volume remains constant even if the volume of other audio sources is changed. The volume is stored for the remote control currently in use. Not ...