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 3 BaseFACTORY OEM SERVICE PROCEDURE
Display setting
- The following items can be set using the display setting.
| Item | Content |
|---|---|
| Display Off | Turns off the center display screen. |
| Day/Night Mode | Selects the center display brightness mode. |
| Brightness | Adjusts the display brightness. |
| Contrast | Adjusts the display contrast. |
| Show Drive Results at Ignition Off | Provides energy efficiency results at the end of the drive. |
| Home Screen Clock | Selects the clock style displayed on the Home screen. |
| Ambient Display | Enables a simplified interface accessible from the Home screen. |
| Restore Factory Settings | Resets the display to the factory settings. |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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