See also:

Reporting safety defects in the U.S.
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in ...

Operation
Press the button in the center instrument panel to switch this function on or off. The indicator light in the button illuminates when the function is on. Depending on the optional equipment selec ...

Driving Dynamics: Chassis
The Volvo S40 combines an engaging, dynamic driving experience with a high level of active safety, thanks to its sophisticated suspension system, high level of torsional rigidity, wide track and t ...