See also:

Specifications
Engine Electrical System *1 ex factory CAUTION: When cleaning the iridium plugs, do not use a wire brush. (2.5-liter engine) The fine particulate coating on the iridium alloy and platinum t ...

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 ...

Head Restraints
Head restraints are intended to help protect you and the passengers from neck injury. WARNING: Always drive with the head restraints installed when seats are being used and make sure they are pr ...