See also:

Activating HDC
Activating HDC Press the button; the LED above the button lights up. The LED flashes when the brakes are applied automatically. ...

Calling up information on the infodisplay
Press the onboard computer button on the turn signal lever. Information is displayed on the info display of the instrument cluster. ...

Opening/closing the glass sunroof
When the sliding visor is open, proceed as described under Sliding visor. ...