See also:

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

Brake/Clutch Fluid
qInspecting Brake/Clutch Fluid Level The brakes and clutch draw fluid from the same reservoir. Inspect the fluid level in the reservoir regularly. It should be kept at MAX. The level normally d ...

Specifications
Engine Electrical System *1 ex factory CAUTION: When cleaning the iridium plugs, do not use a wire brush. (2.5-liter engine) The fine particulate coating on the iridium alloy and platinum t ...