See also:

Specifications
Engine Electrical System *1 ex factory CAUTION: When cleaning the iridium plugs, do not use a wire brush. The fine particulate coating on the iridium alloy and platinum tips could be damaged. ...

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

Supplemental Restraint Systems (SRS) Precautions
The front and side supplemental restraint systems (SRS) include up to 6 air bags. You can locate the various air bags by the use of “SRS AIRBAG” location indicators. These indicators are visible ...