See also:

Specifications
Engine Electrical System *1 ex factory NOTE: 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. ...

Revised Six-Speed Manual Transmission
This is particularly true when this engine is combined with the revised six-speed manual transmission. Its optimised synchronisation allows shifting gears even more quickly and smoothly than befor ...

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