See also:

Emission Control System
Your vehicle is equipped with an emission control system (the catalytic converter is part of this system) that enables your vehicle to comply with existing exhaust emissions requirements. WARNING ...

Setting Change (Function Customization)
The following function settings are possible. These settings can only be changed by an Authorized Mazda Dealer. *1: When the autolock function is operating, the warning sound will be heard reg ...

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 ...