Mazda CX-3: Engine Oil / Vehicle Engine Control Unit Reset Procedure

Mazda CX-3 (2015-2025) Owner's Manual / Maintenance and Care / Owner Maintenance / Engine Oil / Vehicle Engine Control Unit Reset Procedure

NOTE

This procedure is intended for vehicles with the engine oil flexible maintenance setting selected.

After replacing the engine oil, have a repair shop such as an Authorized Mazda Dealer perform the initialization (engine oil data resetting) of the recorded value. If the value recorded by the computer is not initialized, the wrench indicator light may not turn off or it may turn on earlier than normal.

NOTE

The initialization (engine oil data resetting) of the recorded value can be performed using the following procedure:

  1. Switch the ignition OFF.
  2. Switch the ignition ON with the selector pressed and continue pressing the selector for about 5 seconds until the master warning light Mazda CX-3. Vehicle Engine Control Unit Reset Procedure flashes.

    Mazda CX-3. Vehicle Engine Control Unit Reset Procedure

  3. After the master warning light Mazda CX-3. Vehicle Engine Control Unit Reset Procedure flashes for several seconds, the initialization is completed.

    Recommended Oil

    U.S.A., Canada, and Puerto Rico Use SAE 0W-20 engine oil. Mazda Genuine Oil is used in your Mazda vehicle. Mazda Genuine 0W-20 Oil is required to achieve optimum fuel economy...

    Inspecting Engine Oil Level

    Be sure the vehicle is on a level surface. Warm up the engine to normal operating temperature. Turn it off and wait at least 5 minutes for the oil to return to the oil pan...

    Other information:

    Mazda CX-3 (2015-2025) Owner's Manual: Jam-safe Window


    If foreign matter is detected between the window and the window frame while the window is closing automatically (refer to Auto-opening/Closing on page 3-30), the window stops closing and automatically opens partway. NOTE The jam-safe function may operate under the following conditions: A strong impact is detected while the window is closing automatically...

    Mazda CX-3 (2015-2025) Owner's Manual: Starting the Engine


    WARNING Radio waves from the key may affect medical devices such as pacemakers: Before using the key near people who use medical devices, ask the medical device manufacturer or your physician if radio waves from the key will affect the device. NOTE The key must be carried because the key carries an immobilizer chip that must communicate with the engine controls at short range...

    Categories

    Child-Restraint System Types

    In this owner's manual, explanation of child-restraint systems is provided for the following three types of popular child-restraint systems: infant seat, child seat, booster seat.

    NOTE

    Installation position is determined by the type of child-restraint system. Always read the manufacturer's instructions and this owner's manual carefully. Due to variations in the design of child-restraint systems, vehicle seats and seat belts, all child-restraint systems may not fit all seating positions. Before purchasing a child-restraint system, it should be tested in the specific vehicle seating position (or positions) where it is intended to be used. If a previously purchased child-restraint system does not fit, you may need to purchase a different one that will.

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