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:
Power steering fluid reservoir
The fluid level should always be between the
ADD and FULL marks.
Fluid type: Volvo synthetic power steering fluid
(Pentosin CHF 11S) P/N 1161529 or equivalent.
Replace: No fluid change requi ...
Accessory installation
• We strongly recommend that Volvo owners
install only genuine, Volvo-approved
accessories, and that accessory installations
be performed only by a trained and
qualified Volvo service technician.
...
Basic sound settings
Press SOUND to display the basic sound setting
menu (Bass, Treble, etc). Continue pressing
SOUND or OK/MENU to display the other
setting alternatives.
Adjust the setting by turning TUNE and sav ...