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:
Maintenance
The battery is maintenance-free, i.e., the electrolyte
will last for the life of the battery.
Your service center will be glad to advise you on
questions regarding the battery. ...
Messages
General information
Whether or not text messages and e-mails from
the mobile phone are displayed depends on
whether transmission from the mobile phone to
the vehicle is supported. Text messages ...
Declaration according to NHTSA/FMVSS 138 Tire Pressure
Monitoring Systems
Each tire, including the spare (if provided)
should be checked monthly when cold and inflated
to the inflation pressure recommended by
the vehicle manufacturer on the vehicle placard
or tire i ...
