See also:

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 ...

Uniform Tire Quality Grading
ALL PASSENGER VEHICLE TIRES MUST CONFORM TO FEDERAL SAFETY REQUIREMENTS IN ADDITION TO THESE GRADES Quality grades can be found, where applicable, on the tire sidewall between the tread shoulder ...

All Wheel Drive
All Wheel Drive (AWD) – general information Your Volvo can be equipped with an electronically controlled All Wheel Drive system, which means that power is distributed automatically between the fr ...