How do you change the battery in a Honda Odyssey key fob?

I recently bought a Honda Odyssey, and the key battery is already dying from the cold! I don’t know how to replace it, but I'd like to do it soon. What’s the best way to change the battery in my Honda Odyssey key fob?

Honda Odyssey key fobs use CR2032 batteries, which are notorious for dying in cold weather. Luckily, they’re also cheap to buy and easy to replace!
Follow these steps to change the battery in your Honda Odyssey key fob:
  • Start by sliding the switch above the Honda logo so you can remove the metal key.
  • Pull out the metal key and use it to gently pry apart the two halves of the key fob.
  • Once the key fob is open, use a small flathead screwdriver to pry off the battery from the side opposite the fastening clips.
  • Gently insert your new battery.
  • Press together the two halves of the key fob until they snap into place.
  • Reinsert your metal key into its slot.
Congratulations! Your key fob should be back in working shape. Remember, the winter isn’t always friendly to key fob batteries. But you can make your battery last longer by storing your fob somewhere warm as often as possible.
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Joshua Levy
Answered on Dec 08, 2021

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