See also:

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

The concept
Indicator/warning lamps The indicator and warning lamps can light up in a variety of combinations and colors. Several of the lamps are checked for proper functioning when the engine is started ...

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