See also:

Operating Tips
Operating the Climate Control System Operate the climate control system with the engine running. NOTE. To prevent the battery from being discharged, do not leave the fan control dial on for a lon ...

Under the Hood
Mazda3 models now offer a choice of engines:   Standard  148-horsepower, 2.0-liter four-cylinder engine that teams with a five-speed manual or five-speed automatic transmission Opt ...

Immobilizer System
The immobilizer system allows the engine to start only with a key the system recognizes. If someone attempts to start the engine with an unrecognized key, the engine will not start, thereby helpi ...