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Get the correct battery CR 2032 remove fob from key ring Carefully, and slowly pry the two halves of the case apart. Start with a very thin ( utility blade) device to allow a heavier ( metal nail file) into the crack. The case will split in half. Remove battery and replace..carefull to keep the positive side up. Make sure it is clean and dry inside. Replace cover by starting in one corner and move your pincer grips slowly around perimeter..Then test it .

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16y ago

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