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: Immobilizer System

The immobilizer system allows the engine to start only with a key the system recognizes. If someone attempts to start the engine with an unrecognized key, the engine will not start, thereby helping to prevent vehicle theft. If you have a problem with the immobilizer system or the key, consult an Authorized Mazda Dealer...

Mazda CX-3 (2015-2026) Owner's Manual: Operation of Automatic Air Conditioner

Set the mode selector dial to the AUTO position. Set the air intake selector to the outside air position (indicator light turned off).NOTE If the recirculated air position is used for long periods in cold weather or high humidity, the windshield may fog up more easily...