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:
Reporting safety defects in Canada
If you believe your vehicle has a defect that could cause a crash or could cause
injury or death, you should immediately inform Transport Canada in addition to notifying
Volvo Cars of Canada Corp. ...
When does BLIS function
The system functions when your vehicle is
moving at speeds above 6 mph (10 km/h).
When you pass another vehicle:
The system reacts when you pass another
vehicle at a speed of up to 6 mph (10 km/ ...
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
decrease ...