Overloading

WARNING:
Be careful not to overload your vehicle: The gross axle weight rating (GAWR).

and the gross vehicle weight rating (GVWR) of your vehicle are on the Motor Vehicle Safety Standard Label on the driver's door frame. Exceeding these ratings can cause an accident or vehicle damage. You can estimate the weight of your load by weighing the items (or people) before putting them in the vehicle.

    See also:

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

    Vehicle Loading
    WARNING. Do not taw a trailer with this vehicle: Towing a trailer with this vehicle is dangerous because it has not been designed to tow a trailer and doing so will affect the drive system which ...

    Trunk Lid (4 Door)
    WARNING: Never allow a person to ride in the trunk: Allowing a person to ride in the trunk is dangerous. In addition, the person in the trunk could be seriously injured or killed during sudden ...