Mazda 3 manuals

Mazda 3 Owners Manual: Vehicle Engine Control Unit Reset Procedure

Mazda 3 Owners 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 press and hold the selector for about 5 seconds until the master warning light flashes.

Mazda 3. Vehicle Engine Control Unit Reset Procedure


  1. After the master warning light 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. For maintenanc ...

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. Pull out the ...

Other materials:

Lighting System Personalization Features Setting Procedure
Auto Light System 1. Connect the M-MDS (IDS) to the DLC-2. 2. After the vehicle is identified, select the following items from the initial screen of the IDS. Select the “Module Programming” Select the “Programmable Parameters”. Select menu in the Exterior Lighting. ...

Component Parts
Audio unit Microphone (hands-free) The microphone is used for speaking voice commands or when making a Hands-free call. Talk button, Pick-Up button and Hang-Up button (hands-free) The basic functions of Bluetooth ® Hands-Free can be used for such things as making calls or hanging up u ...

Bluetooth ® Preparation (Type B)
Device pairing To use Bluetooth ® audio and Hands-Free, the device equipped with Bluetooth ® has to be paired to the unit using the following procedure. A maximum of seven devices including Bluetooth ® audio devices and hands-free mobile phones can be paired. NOTE The Bluetooth ® system may ...

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