See also:

AUX Mode (Auxiliary input)
You can connect portable audio units or similar products on the market to the auxiliary jack to listen to music or audio over the vehicle's speakers. To use the auxiliary jack, pull up its cover. ...

Emission Control System
Your vehicle is equipped with an emission control system (the catalytic converter is part of this system) that enables your vehicle to comply with existing exhaust emissions requirements. WARNING ...

Exterior
Comparatively upright in profile, the Mazda3 is built with a wide track and a relatively long (103.9-inch) wheelbase for its size. A Sport Package that includes sport bumpers, side skirts, 17-inch ...