See also:

Security
Volvo's passion for safety also extends to issues of personal security. The Volvo XC90 is fitted as standard with a wide range of features designed to protect occupants from burglary, theft and as ...

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 ...

Check coolant level
The cooling system must be filled with coolant and not leak to operate at maximum efficiency. Check the coolant level regularly. The level should be between the MAX and MIN marks on the expansio ...