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
Communication screen
- SMS (Short Message Service), and Hands-free telephone (HF/TEL) functions can be used.
| Display content | Function |
|---|---|
| Favorites | Switches to the favorite screen. |
| Call History | Displays the call history. |
| Contacts | Displays the phone book. |
| Dial Pad | Switches to the dial screen for phone number input. |
| Text Messages | Switches to the text messages screen. |
| Communication Settings | Switches ON/OFF of the SMS notification function. |
NOTE:
- If Bluetooth® communication is not established between a mobile device such as a Bluetooth®-enabled smart phone, the functions dependent on the mobile device are displayed in gray and they are not available.
- If there any unread notification or SMS, the number of unread messages is displayed beside each item name. The number of missed call is displayed next to "Call History".
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:
- • 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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