See also:

Front seats
1 - Lumbar support: turn the control for firmer or softer lumbar support. 2 - Front-rear adjustment: lift the bar and move the seat to the position of your choice. 3 - Raise/lower front edge of ...

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 ...

Driving Dynamics: Engines
The Volvo S40 is available with a range of high-tech engines that reflect its role as a premium alternative. Three new engines joined the range in 2007: a 145 PS 2.0-litre petrol, a five-cylinder ...