See also:

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 ...

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 ...

How TSA works
Once swaying has begun, it can be very difficult to stop, which makes it difficult to control the vehicle and trailer. The TSA system continuously monitors the vehicle's movements, particularly ...