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:
Working on your vehicle
Note the following before you begin working
on your vehicle: ...
How BLIS functions in daylight anddarkness
Daylight
BLIS reacts to the shape of surrounding vehicles.
The system is designed to help detect
motor vehicles such as cars, trucks, buses,
motorcycles, etc.
Darkness
BLIS reacts to the headl ...
Engines
The Volvo XC90 is available with a choice of two high-performance engines -
one diesel and one petrol - both of which produce plenty of power and torque
from low engine speeds and through the mid- ...
