See also:

Menu navigation
The transmission time of the remote control is limited by law. To execute a function again, press or turn the required button again. ...

Traffic bulletins on the map
"Traffic conditions/gray map" active: The Control Display changes to a black and white display. This enables a better view of the traffic bulletins. The day/night mode is disregarded ...

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