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:

    Engine Coolant
    Inspecting Coolant Level WARNING. Do not use a match or live flame in the engine compartment. DO NOT ADD COOLANT WHEN THE ENGINE IS HOT: A hot engine is dangerous. If the engine has been running ...

    Brake System
    Foot Brake Your Mazda has power-assisted brakes that adjust automatically through normal use. Should power-assist fail, you can stop by applying greater force than normal to the brake pedal. But ...

    Beep Sounds
    qSeat Belt Warning Beep If the driver's seat belt is not fastened when the ignition switch is turned to the ON position, a beep sound will be heard for about 6 seconds. If the driver's seat belt ...