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: TCS/DSC Indicator Light

This indicator light stays on for a few seconds when the ignition is switched ON. If the TCS or DSC is operating, the indicator light flashes. If the light stays on, the TCS, DSC or the brake assist system may have a malfunction and they may not operate correctly...

Mazda CX-3 (2015-2026) Owner's Manual: Emergency Operation for Starting the Engine

If the KEY warning light (red) illuminates, or the push button start indicator light (amber) flashes, this could indicate that the engine may not start using the usual starting method. Have your vehicle inspected at an Authorized Mazda Dealer as soon as possible...