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Home >> Mazda >> 2024 >> 3 Carbon Turbo, 4D Hatchback >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> On-Board Diagnostics - CMU (2 Of 2) >> Diagnostic Assist Function [CMU] >> Activation Procedure

Activation Procedure

  1. Switch the ignition to ACC or ON (engine off or on)/main power to ACC or ON (READY off or on).
  2. Press the following buttons simultaneously for 3 s or more while pressing the Volume knob on the commander switch, with the center display displayed.
    • Favorites button
    • Entertainment button

    L.H.D. 

    G16377683Courtesy of MAZDA MOTORS CORP.
    COMPONENT OPERATIONS

    Component No Refer to
    1 Commander switch
    2 Commander knob
    3 Entertainment button
    4 Map button
    5 Volume knob
    6 Favorites button
    7 Back button
    8 Home button

    R.H.D. 

    G16377684Courtesy of MAZDA MOTORS CORP.
    COMPONENT OPERATIONS

    Component No Refer to
    1 Commander switch
    2 Entertainment button
    3 Commander knob
    4 Map button
    5 Volume knob
    6 Favorites button
    7 Home button
    8 Back button
  3. The diagnostic assist function initial screen is displayed on the center display and the diagnostic assist function launches.