See also:

Keyless Entry System
This system remotely locks and unlocks the doors and the liftgate, and opens the power windows and the moonroof. It can also help you signal for attention. Press the buttons slowly and carefully. ...

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 ...

Trailer Towing
The Mazda3 is not designed for towing. Never tow a trailer with your Mazda3. ...