Under the Hood
The 2.0-liter four-cylinder in the Mazda3 i has variable valve timing and develops 148 horsepower (144 hp in PZEV form). The Mazda3 s uses a 2.3-liter four-cylinder that pumps out 156 hp. A five-speed manual gearbox is standard, and a four-speed automatic transmission with a manual-shift provision is optional for the Mazda3 i. The 2.3-liter engine can mate with a five-speed automatic.
See also:
Tire Pressure Monitoring System
* Some models.
The tire pressure monitoring system (TPMS) monitors the pressure for each
tire.
If tire pressure is too low in one or more tires, the system will inform the
driver via the
warnin ...
Keyless Entry System
This system remotely locks and unlocks
the doors and the liftgate, and opens the
power windows and the moonroof.
It can also help you signal for attention.
Press the buttons slowly and carefully.
...
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 ...