Mazda CX-3: Fuel and Emission / Fuel and Engine Exhaust Precautions

Fuel and Emission

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Fuel Requirements

Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL, which will reduce exhaust emissions and keep spark plug fouling to a minimum...

Other information:

Mazda CX-3 (2015-2026) Owner's Manual: Child-Restraint Precautions

Mazda strongly urges the use of child-restraint systems for children small enough to use them. You are required by law to use a child-restraint system for children in the U.S. and Canada. Check your local and state or provincial laws for specific requirements regarding the safety of children riding in your vehicle...

Mazda CX-3 (2015-2026) Owner's Manual: Split Folding the Seatbacks

By lowering the rear seatbacks the luggage compartment space can be expanded. WARNING Do not drive the vehicle with occupants on folded down seatbacks or in the luggage compartment. Putting occupants in the luggage compartment is dangerous because seat belts cannot be fastened which could lead to serious injury or death during sudden braking or a collision...