See also:

Audio volume and automatic volume control
The infotainment system compensates for disrupting noises in the passenger compartment by increasing the volume according to the speed of the vehicle. The level of sound compensation can be set at ...

Safety
The S40 has earned good crash-test scores from the Insurance Institute for Highway Safety. Specifically, it scores Good (the best possible) in frontal and rear impacts and Acceptable (one ranking ...

Replacing the batteries
CAUTION When handling batteries, avoid touching their contact surfaces as this could result in poor battery function in the remote key. 3 Note the position of the battery's (+) or (–) sides. ...