Is your 2005 Toyota Prius key fob starting to act up? You might be experiencing a reduced operating range, inconsistent locking/unlocking, or perhaps your Prius is giving you a warning beep after you turn it off. These are common signs that your key fob battery is getting weak and needs replacing. Luckily, changing the battery in your 2005 Prius key fob is a straightforward task you can easily do yourself in just a few minutes. This guide will walk you through each step, ensuring you can get your key fob back to perfect working order.
Before you begin, gather the necessary tools:
- Precision screwdriver set: You’ll need a Philips #0 screwdriver.
- Thin flat-head screwdriver or paperclip: For prying open the battery compartment.
And make sure you have the correct replacement battery:
- CR2032 battery: This is the standard button cell battery for your 2005 Prius key fob. You can find these at most drugstores, supermarkets, and online retailers.
Step 1: Remove the Mechanical Key
To start, locate the small release button on your key fob. With the buttons facing upwards, you’ll see a spring-loaded holder. Slide this holder to the left while simultaneously pulling the mechanical key upwards and out of the fob. This key is a backup to manually unlock your door if needed, and removing it first gives you access to the key fob casing.
Step 2: Open the Key Fob Casing
Now, flip the key fob over so the buttons are facing downwards. Again, you’ll see the spring-loaded holder. This time, slide it to the right. While holding it in this position, gently push the back panel of the key fob upwards. The back panel should slide off, revealing the inside of the key fob. If you’re having trouble getting a good grip, try using a rubber glove for better friction.
Step 3: Access and Replace the Battery
With the back cover removed, you’ll see the internal components and the battery cover plate. Using your Philips #0 screwdriver, remove the four small screws that secure this plate. Once the screws are out, use a paperclip or a thin flat-head screwdriver to gently pry up the battery cover plate. The designated prying point is usually indicated by a small notch or gap, as shown in the image. With the plate removed, you can now access the CR2032 battery. Take out the old battery and replace it with a new CR2032 battery, ensuring the positive (+) side is facing upwards towards the cover panel.
Step 4: Reassemble Your Key Fob
Finally, reassemble your key fob by reversing the steps you just took. Place the battery cover plate back into position and secure it with the four screws. Slide the back panel of the key fob back into place until it clicks securely. Lastly, slide the mechanical key back into the key fob until it locks into position.
That’s it! You’ve successfully replaced the battery in your 2005 Prius key fob. Test the fob to ensure it’s working correctly. Replacing your Prius key fob battery is a simple maintenance task that can save you time and potential frustration. By following these steps, you can keep your key fob functioning perfectly and avoid any unexpected issues with your 2005 Toyota Prius.
