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:
Gasoline containing alcohol and ethers, "Oxygenated fuels"
Some fuel suppliers sell gasoline containing
"oxygenates" which are usually alcohols or
ethers. In some areas, state or local laws
require that the service pump be marked indicating
...
Keypads
Keypads in the steering wheel
1 Cruise control, see page 152. Adaptive
cruise control*, see page 154.
2 Infotainment controls, see page 207. ...
Introduction
All bulb specifications are listed on page 328.
The following bulbs should only be replaced by
a trained and qualified Volvo service technician:
• Dome lighting, reading lights
• Glove compartmen ...