Volume
- "Speed volume": speed-dependent volume control.
- "PDC": volume of the PDC signal* compared to the entertainment sound output.
- "Gong": volume of the signal, such as the safety belt reminder, compared to the entertainment sound output.
- "Microphone": volume of the microphone* during a phone call.
- "Loudspeak.": volume of the loudspeakers* during a phone call.
The following volumes are only stored for the respective paired telephone: "Microphone", "Loudspeak.".
Adjusting the volume
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
3. "Volume settings"
4. Select the desired volume setting.

5. To adjust: turn the controller.
6. To store: press the controller.
See also:
Active seat ventilation
Switching on
Press the button once for each
ventilation
level.
The highest level is active when three LEDs are
lit.
Switching off
Press the button longer.
The LEDs go out. ...
What to do if...
Only a black screen is visible.
Switch on the system.
There are no options available on the screen.
Switch over between the display screens.
Radio stations or TV channels are grayed out ...
Display
1 Lane departure warning*
2 Active Cruise Control*
3 Desired speed
4 Navigation system*
5 Speed
The collision warning*, Night Vision* pedestrian
warning, or Check Control messages are display ...
