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.

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    Keys
    WARNING: Do not leave the key in your vehicle with children and keep them in a place where your children will not find or play with them: Leaving children in a vehicle with the key is dangerous. ...

    Advanced Key Suspend Function
    If an advanced key is left in the vehicle, the functions of the advanced key left in the vehicle are temporarily suspended to prevent theft of the vehicle. The following are inoperable: - Startin ...

    Manual Type
    Control Switches Temperature control dial This dial controls temperature. Turn it clockwise for hot and counterclockwise for cold. Fan control dial This dial allows variable fan speeds. 0 ...