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Overheating
If the temperature gauge indicates overheating, the vehicle loses power, or you hear a loud knocking or pinging noise, the engine is probably too hot. WARNING: Turn off the ignition switch and ...

Operation Using Advanced Keyless Functions
Operational Range The system operates only when the driver is in the vehicle or within operational range while the advanced key is being carried. NOTE: When the battery power is low, or in place ...

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-s ...