See also:

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

Front Seat Belt Pretensioner and Load Limiting Systems
For optimum protection, the driver and front passenger seat belts are equipped with pretensioner and load limiting systems. For both these systems to work properly you must wear the seat belt pro ...

Accessory Sockets
The ignition switch must be in the ACC or ON position Only use genuine Mazda accessories or the equivalent requiring no greater than 120 W (DC 12 V, 10 A). Front (Type A) Front (Type B) R ...