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How do I replace the battery in my Honda key fob?

Can you tell me how to replace the battery in my Honda key fob by myself? I don’t want to accidentally break it, but I definitely need a new battery. I can’t unlock my doors or anything currently.

avatar
Liz Jenson · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Oh, no! Let’s get your key fixed. Follow these steps to replace the battery in your Honda
key fob
:
  • First, you’ll need to figure out the battery type. You can do this by checking the back of the key fob or consulting your owner’s manual.
  • Once you’ve purchased the correct battery, use a jeweler’s screwdriver to remove the screw in your remote.
  • Carefully pry open the two halves of the remote using a flathead screwdriver.
  • Remove the old battery. Be careful not to touch the terminals as you do this—it can damage your future battery life.
  • Insert your new battery. Make sure that the negative and positive terminals line up properly!
  • Press the two halves back together and test out your new battery by pressing any button on your remote. Then, replace the screw.
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