How to Change the Key Battery on a Honda Odyssey

Is it easy to replace the key battery in a 2015 Honda Odyssey? I noticed one of my keys is getting low. How do you change the key battery on a Honda Odyssey?

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Answer provided by
Kathryn Mae Kurlychek
Answered on Apr 15, 2022
It’s incredibly easy to change the key fob battery for your Honda Odyssey! Typically, these kinds of key fobs employ a standard CR2032 battery, which can be purchased right off the shelf.
To change the key fob yourself, here’s what you’ll need to do:
  • First, you’ll want to remove the key. There should be a tiny latch on the middle-top of your keyfob, just above the logo, that you can press to release the key
  • Use the key to gently lever open the key fob
  • Carefully pry off the dead battery on the inside of the key fob
  • Load in your new CR2032 battery
  • Press the two sides of the key fob back together until they snap into place
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