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: Engine Start Function When Key Battery is Dead

CAUTION When starting the engine by holding the transmitter over the push button start due to a dead key battery or a malfunctioning key, be careful not to allow the following, otherwise the signal from the key will not be received correctly and the engine may not start...

Mazda CX-3 (2015-2026) Owner's Manual: Armrest  (Some models)

The rear armrest in the center of the rear seatback can be used (no occupant in the center seat) or placed upright. WARNING Never position the shoulder portion of a seat belt over the armrest: Positioning the shoulder portion of a rear seat belt over the armrest is dangerous as it cannot provide adequate protection in a collision and could result in serious injuries...