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:
Introduction
All bulb specifications are listed on page 311. The following bulbs should only
be replaced by a trained and qualified Volvo service technician:
Dome lighting
Reading lights
Glove compartmen ...
Power door mirrors
The mirror control switches are located on the
driver's door armrest.
Driver's side: Press the L button (a light in the
switch will light up) to activate the adjustment
control and then use th ...
Severe strain on the brake system
The brakes will be subject to severe strain
when driving in mountains or hilly areas, or
when towing a trailer. Vehicle speed is usually
slower, which means that the cooling of the
brakes is l ...