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:
Run-flat tires
The symbol identifying run-flat tires is a circle with the letters RSC on the
sidewall.
Run-flat tires comprise a conditionally self-supporting tire and a special rim.
The reinforcement in the ...
Short commands of the voice activation
system
Vehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equipment
is also described that is not avai ...
Malfunction
A Check Control message is displayed.
On the Control Display, the areas in front of and
behind the vehicle are shaded. PDC has failed.
Have the system checked.
To ensure full operability:
` ...
