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How do I change the battery in my Toyota RAV4 key?

I can’t find instructions for replacing the battery in my car key. The remote lock/unlock stopped working unless I’m right next to my car so I assume a fresh battery would fix the problem. How do you install a new battery in a Toyota RAV4 key?

avatar
Liz Jenson · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Key fob batteries need to be replaced every once in a while so you’re probably right! To change the battery in a
Toyota RAV4
key, just follow these steps:
  • Use a flathead screwdriver to carefully pry the two halves of the plastic part of the key apart.
  • Remove the module from inside the key.
  • Carefully, pry the module open with the flathead screwdriver or the edge of a coin.
  • Remove the old battery from its housing, noting where the positive and negative ends go.
  • Replace the old battery with a new CR2016 battery.
  • Snap the module closed and replace it inside the key.
  • Snap the key closed and test the remote to make sure that it works.
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