See also:

How the Air BagsWork
How the Front Air BagsWork When air bag crash sensors detect a frontal impact of greater than moderate force, an electrical current is sent to the inflators. Gases are produced to inflate the fro ...

Supplemental Restraint System Components
1 Driver/Passenger dual stage inflators and air bags. 2 Crash sensor, and diagnostic module (SAS unit). 3 Seat belt pretensioner and load limiting systems. 4 Front air bag sensor. 5 Side crash s ...

Under the Hood
The Mazda3 i comes standard with a 148-horsepower, 2.0-liter four-cylinder engine that can team with a five-speed manual or five-speed automatic transmission. Mazda3 s models use a 167-hp, 2.5-lit ...