2021 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

Bluetooth® pairing

  1. When the CMU receives the operation signal/detects the switch operation, it transmits a search signal to a Bluetooth® enabled device near the CMU and sends (1) the Bluetooth®-device search screen signal to the center display.
  2. The Bluetooth®-enabled device near the CMU sends (2) a Bluetooth® device signal to the CMU. In addition, the center display displays (2) the Bluetooth® device search screen.
  3. The CMU programs (3) the Bluetooth®-enabled device information based on the Bluetooth® device signal.
    NOTE:
    • In the following cases, Bluetooth® pairing is canceled.
      • Eight (maximum of 7) Bluetooth® devices have been programmed
      • Bluetooth® device signal is not received during period of 180 s
      • Cancel is selected during Bluetooth® device search screen display
    G13180388Courtesy of MAZDA MOTORS CORP.
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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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