See also:

License plate lights
1. Switch off the ignition. 2. Loosen the screws with a Torx screwdriver. 3. Turn the bulb holder counterclockwise and pull it out. 4. Pull out the defective bulb and insert a new one. 5. Rein ...

Unleaded fuel
Each Volvo has a three-way catalytic converter and must use only unleaded gasoline. U.S. and Canadian regulations require that pumps delivering unleaded gasoline be labeled "UNLEADED". O ...

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 r ...