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:
Automatic re-arming
If the doors are unlocked, the locks will automatically
reengage (re-lock) and the alarm will
re-arm after 2 minutes unless a door or the tailgate
has been opened. ...
Seat belt maintenance
Check periodically that the seat belts are in good condition. Use water and a
mild detergent for cleaning. Check seat belt mechanism function as follows: attach
the seat belt and pull rapidly on t ...
Loss of a remote key
If either of the remote keys is lost, the other
should be taken with the car to a Volvo retailer.
As an anti-theft measure, the code of the lost
remote key must be erased from the system.
NOTE
...