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:
Breaking-in period
General information
Moving parts need to be broken in to adjust to
each other.
The following instructions will help achieve a
long vehicle life and good economy.
Engine and differential
Always ...
Supplementary text messages
Additional information on the Control Display,
e.g., on the cause of a malfunction or the required
action, can be called up via Check Control.
The text of urgent messages is displayed automatica ...
For X3 xDrive28i: Oil levelcheck
The concept
The oil level is monitored electronically during
driving and shown on the Control Display.
If the oil level reaches the minimum level, a
check control message is displayed.
Displayi ...
