Instrument panel lighting
The instrument panel lighting illuminates when
the ignition key is in position II and the light
switch (1) is in either position 
Move the thumb wheel (4) up to increase brightness or down to decrease brightness.
See also:
Overview
The smallest yet most expressively designed of all Volvos, the C30 has a
radical and refreshing appearance. Its unique styling creates its distinct
personality whilst closely aligning it to the all- ...
Setting a time interval
Controls and display
3 - Time interval: Increase/decrease
6 - Time interval: On, while it is being set
7 - Time interval: On, after it has been set
Press to increase the interval or
to decrea ...
Brake system
The brake system is a hydraulic system consisting
of two separate brake circuits. If a problem
should occur in one of these circuits, it is
still possible to stop the vehicle with the other
br ...