Example: playing back a CD
1. Switch on the Entertainment sound output
if necessary.
2. 
Press the button on the steering
wheel.
3. ›C D and multimedia‹
The medium last played is played back.
4. ›C D track ...‹ e.g., CD track 4.
See also:
Switching the interior lamps on and off
Press the button.
To switch off permanently: press the button for
approx. 3 seconds.
To clear this setting: press the button. ...
The concept
This system projects important information into
the driver's field of vision, e.g., the speed.
In this way, the driver can get information without
averting his or her eyes from the road. ...
Activating HDC
Press the button; the LED above
the button
lights up. ...