Oil change
An oil change should be carried out by your service center only.

See also:
Equalizer
Setting for individual audio frequency ranges.
Adjusting the equalizer
1. "CD/Multimedia", "Radio" or "Settings".
2. "Tone".
3. "Equalizer".
4. S ...
Information on the navigation data
1. "Navigation".
2. "Options" Open.
3. "Navigation system version": information on
the data version is displayed. ...
Reference
This chapter contains technical data, short commands for the voice activation
system and an index that will help you find information most quickly. ...
