How do I replace a Toyota Prius key fob battery?

How do you replace a key fob battery? I have a Toyota Prius and the functions on my key fob are jumpy at best but sometimes just don’t work.

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Answer provided by
Abbey Orzech
Answered on May 13, 2022
Key fob batteries typically last three to four years so you’ll likely have to replace the battery a few times during your car’s life. Replacing a Toyota Prius key fob battery is a straightforward and easy process! Just follow these steps:
  • Find the small tab that locks the manual key in the fob and slide it to release the key. Take the key out
  • Keep the tab slid over so you can slide off the back case
  • Use a small screwdriver to unscrew the four screws holding the battery cover on
  • Use the same screwdriver or another small tool to carefully pop the battery out, taking note of the position of the battery so you can reinstall it with the right side facing out
  • Insert the new battery, screw on the battery cover, replace the back casing, and reinsert the manual key.
And you’re done! Replacing your Toyota Prius key fob is a simple process that can take less than one minute—just like shopping for car insurance with Jerry! Jerry is the easiest and most effective way to find a car insurance policy that is customized for you.
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