See also:

Warranty
As you'd expect, the Volvo S40 saloon 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, unl ...

Cleaning the sensors
Location of the front sensors Location of the rear sensors The sensors must be cleaned regularly to ensure that they work properly. Clean them with water and a suitable car washing detergent ...

Interior Air Quality System (IAQS)
A multifilter helps reduce gases and particles in the incoming air, thereby reducing the levels of odors and contaminants entering the vehicle. The air quality sensor detects increased levels o ...