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Home >> Mazda >> 2021 >> 3 Base >> Repair and Diagnosis >> Body & Frame >> Glass/Windows/Mirrors >> Outer Mirror Glass Inspection >> Auto-dimming Outer Mirror
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Auto-dimming Outer Mirror

  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  2. Remove the outer mirror glass. (See OUTER MIRROR GLASS REMOVAL .) (See OUTER MIRROR GLASS INSTALLATION .)
  3. Connect the dry cell batteries (1.2 V) in a series.
    G13178656Courtesy of MAZDA MOTORS CORP.
    • Verify that the mirror side of the outer mirror glass changes color.
  4. If there is any malfunction, replace the outer mirror glass. (See OUTER MIRROR GLASS REMOVAL .) (See OUTER MIRROR GLASS INSTALLATION .)