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 ratio ...

Low battery voltage
If the battery voltage is too low, the parking brake cannot be applied or released. Connect an auxiliary battery if the battery voltage is too low, see page 114. ...

Warranty
As you'd expect, the Volvo V50 Sportswagon is supported by a comprehensive warranty. The standard mechanical warranty is three years/60,000 miles (whichever comes first), plus there's a three-year ...