See also:

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

Engine Compartment Overview
2.5-liter engine 3.7-liter engine ...

Seat Belt
Fastening the Seat Belt 1. Grasp the seat belt tongue. 2. Slowly pull out the lap/shoulder belt. 3. Insert the seat belt tongue into the seat belt buckle until you hear a click sound. WARNIN ...