Having a functioning key fob is essential for unlocking and starting your Toyota Prius. It can be frustrating when the battery in your key fob dies, leaving you unable to access your vehicle. Fortunately, replacing the battery in your Toyota Prius key fob is a simple and straightforward process that you can do yourself. In this guide, we will walk you through the step-by-step process of changing the battery in your Toyota Prius key fob, so you can continue to enjoy seamless access to your vehicle.
Step 1: Gather the necessary supplies
Before you begin, make sure you have the following supplies on hand:
– Small flathead screwdriver or a coin |
– Replacement CR2032 battery |
Step 2: Locate the key fob
The Toyota Prius key fob is a small, plastic device that houses the electronic key and remote locking system. It is essential to locate your key fob before proceeding with the battery replacement process.
Step 3: Open the key fob
Use a small flathead screwdriver or a coin to pry open the key fob. Look for a small indentation or a slot along the seam of the key fob where you can insert the screwdriver or coin to twist and open the fob.
Step 4: Remove the old battery
Once the key fob is open, carefully remove the old battery. Take note of the orientation of the battery, as you will need to place the new battery in the same position.
Step 5: Insert the new battery
Take the replacement CR2032 battery and insert it into the slot in the key fob, ensuring that it is oriented correctly according to the markings inside the fob.

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Step 6: Close the key fob
With the new battery in place, carefully align the two halves of the key fob and snap them together until you hear a click, indicating that the fob is securely closed.
Step 7: Test the key fob
Once the key fob is closed, test it to ensure that the new battery is working properly. Press the buttons on the fob to check if the LED indicator lights up or if you can hear the locking mechanism engage.

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Step 8: Re-synchronize the key fob (if necessary)
In some cases, replacing the battery may require you to re-synchronize the key fob with your vehicle. Refer to your Toyota Prius owner’s manual for instructions on how to perform this re-synchronization process.
Frequently Asked Questions Of How To Change The Battery In A Toyota Prius Key Fob
How Do I Change The Battery In A Toyota Prius Key Fob?
To change the battery in your Toyota Prius key fob, follow these simple steps:
1. Press the small button on the back to release the key. 2. Gently pry open the key fob using a coin or a flathead screwdriver. 3. Carefully remove the old battery and replace it with a new CR2032 battery.
What Type Of Battery Does A Toyota Prius Key Fob Use?
The Toyota Prius key fob uses a CR2032 lithium coin battery, which is widely available at most stores.
How Often Should I Change The Battery In My Toyota Prius Key Fob?
It is recommended to change the battery in your Toyota Prius key fob every 1-2 years, or when you notice the fob becoming less responsive.
Conclusion
By following these simple steps, you can easily change the battery in your Toyota Prius key fob and restore its functionality. Regularly replacing the battery in your key fob is essential to ensure uninterrupted use of your vehicle’s remote locking system. With this guide, you can quickly and confidently replace the battery in your Toyota Prius key fob whenever necessary, allowing you to continue enjoying the convenience of your vehicle’s keyless entry and ignition system.