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 (2015-2025) Owner's Manual: Underbody Maintenance

Road chemicals and salt used for ice and snow removal and solvents used for dust control may collect on the underbody. If not removed, they will speed up rusting and deterioration of such underbody parts as fuel lines, frame, floor pan, and exhaust system, even though these parts may be coated with anti-corrosive material...

Mazda CX-3 (2015-2025) Owner's Manual: Security Setting

If a passcode is set, the system cannot be activated unless the passcode is input. NOTE Do this function only when parked. It is too distracting to attempt while driving and you may make too many errors to be effective. Passcode setting Press the pick-up button or talk button with a short press...