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

Over the last couple of weeks, I’ve noticed I have to get closer and closer to use the key fob for my Prius. I hear that the decrease in range is likely due to a weak battery. How do you replace the battery in a Toyota remote?

Answer
You’re absolutely right—if you’re experiencing a decrease in the effective range of your car’s key fob, you’re probably ready for a new battery. Luckily, you can change the battery in a Toyota Prius key fob in just a few steps:
  1. Check your owner’s manual to find out what type of battery you will need to purchase, then purchase it. It should only cost about $2.
  2. Press the metal button above the manual key to remove it from its housing.
  3. Use a small screwdriver to pry your key fob open.
  4. Carefully remove the circuit board, and you should see the battery underneath.
  5. Remove the battery and place the new one in the same position.
  6. Press your key fob back together.
Now that you have successfully changed the battery in your Toyota remote, you should be able to enjoy the convenience of unlocking your vehicle from a farther distance.
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Chloe Jenkins
Answered on Jan 04, 2022
Chloe has a BA in Communication and Media Arts from Montclair State University and more than four years of experience in content writing, editing, and research. Before getting behind the keyboard at Jerry, Chloe was an Assistant Coordinator at her university and a film enthusiast working for the Montclair Film Festival. When she's not writing about car insurance, she spends her time with her pets, playing video games, or enjoying long weekend hikes.
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