Close the windows and glasssunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.
See also:
Ambient conditions
> Say the commands, numbers and letters smoothly and with normal volume, emphasis
and speed.
> Always speak the commands in the language of the voice activation system.
> When selecting a ...
Activating HDC
Press the button; the LED above
the button
lights up. ...
Instrument lighting
Adjusting
The parking lamps or low beams
must be switched on to adjust the
brightness.
Adjust the brightness using the
thumbwheel. ...