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Home Security

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Replacing the Extended Range Key Fob Battery for Cox Home Security

Last Updated: Mon, 05 Jan 2015 > Related Articles

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Learn how to replace extended range key fob batteries to ensure your devices are working to properly arm and disarm your Cox Home Security system.”


To replace the batteries in your Cox Home Security extended range key fob, you need a CR2032 3-volt lithium battery. No tools are required to replace the battery. Follow the steps below to properly replace your extended range key fob battery.


Slide the battery cover to the left to open.

Battery Cover Open

  1. Locate your CR2032 3-volt lithium battery.

    Note: If present, remove using the clear plastic strip from under your battery.

  2. Insert the new CR2032 3-volt lithium battery into the battery slot, with the positive side facing outward.

Replace the battery cover by sliding the cover to the right to close.

Battery Cover Close

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