Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Mazda CX-3 AWDFACTORY OEM SERVICE PROCEDURE
Using M-MDS
- Connect the M-MDS to DLC-2.
- After the vehicle is identified, select the following items from the initial screen of the M-MDS.
- Select the "Module Programming".
- Select "Programmable Parameters".
- Select menu in the SSU.
- Select an item name, and then select option.
SETTING PROCEDURE
| M-MDS display | Function | Initial setting | Setting contents | Control unit | ||
|---|---|---|---|---|---|---|
| Advanced keyless function. (1) | The advanced keyless entry system and push button start system functions can be disabled. | Enabled. | Enabled./Disabled. | Start stop unit | ||
| Walk Away Lock. | The out-of-area (reception area) type auto lock function can be set. | OFF | OFF/ON | Start stop unit | ||
| Auto Relock Time. | The operation start time of the auto re-lock function can be changed. | 60 seconds | 30 seconds/60 seconds/90 seconds | Start stop unit | ||
| Keyless Lock Beep Volume. | The keyless beeper volume can be adjusted. | Medium | Off/Low/Medium/High | Start stop unit | ||
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Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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