Heated oxygen sensors

The heated oxygen sensors monitor the oxygen content of the exhaust gases. Readings are fed into a control module that continuously monitors engine functions and controls fuel injection. The ratio of fuel to air into the engine is continuously adjusted for efficient combustion to help reduce harmful emissions.
See also:
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
...
Emergency stop
If the seat accidentally begins to move, press one of the buttons to stop the
seat.
WARNING
Because the driver's seat can be adjusted with the ignition off, children
should never be ...
Infant seats
Securing an infant seat with a seat belt
Do not place the infant seat in the front passenger's seat
NOTE
Refer to page 47–48 for information on
securing a child restraint using ISOFIX/LATCH low ...
