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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 289 (Security System And Locks System) >> Transmitter Battery Replacement
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Transmitter Battery Replacement

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Insert a small Flathead screwdriver into the slot and gently pry open the transmitter.
    Fig 1: Removing Transmitter Back Cover
    G00974236Courtesy of MAZDA MOTORS CORP.
  2. Press the portion of the battery indicated by A and remove the battery.
  3. Install a new battery (CR2025) into the front portion of the holder with the positive pole (+) facing up. Press on the B portion of the battery to set the battery.
    Fig 2: Installing Transmitter Battery
    G00974237Courtesy of MAZDA MOTORS CORP.
  4. Align the front and back covers and snap the transmitter shut.
    1. Battery specification Lithium CR2025 x 1 
    NOTE:
    • The batteries will last about 2 years when used 10 times a day.
    Fig 3: Installing Transmitter Back Cover
    G00974238Courtesy of MAZDA MOTORS CORP.
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