Change Battery Key Fob

how to change battery in toyota prius key fob

Learn how to replace the battery in your car key fob with this step-by-step guide. Get the tools you need, open the fob, replace the battery, and test it out.If you own a Toyota Prius, you may be familiar with the annoyance of a key fob running out of battery. While it may seem like a daunting task, changing the battery in a Toyota Prius key fob is actually a relatively simple process. In this blog post, we will guide you through the step-by-step process of opening the key fob, replacing the battery, testing the key fob, and reassembling the key fob.

Firstly, we will discuss the tools needed for this task, ensuring that you have everything required to successfully change the battery in your key fob. Then, we will walk you through the process of opening the key fob and accessing the old battery. Next, we will explain how to replace the old battery with a new one, and provide tips for testing the key fob to ensure the new battery is functioning properly. Finally, we will guide you through reassembling the key fob so that it is ready to use once again. With our easy-to-follow instructions, you’ll have your Toyota Prius key fob working like new in no time.

Tools Needed

In order to replace the battery in your Toyota Prius key fob, you will need a few tools to help you with the process. Some of the essential tools you will need include a small flathead screwdriver, a small Philips screwdriver, and a replacement CR2032 battery.

These tools will help you open the key fob, replace the battery, and reassemble the key fob without damaging any of the components. It is important to have these tools on hand before you begin the process of changing the battery in your Toyota Prius key fob.

Additionally, having a clean and well-lit workspace will also make the process much easier, so be sure to set up a comfortable area to work on the key fob.

Opening the Key Fob

When it comes to opening your Toyota Prius key fob, it’s important to have the right tools on hand. You’ll need a small screwdriver or a flat tool to pry open the key fob.

Once you have the tools needed, it’s time to carefully insert the screwdriver into the seam of the key fob and gently pry it open. Be sure to go slowly and apply even pressure to avoid damaging the casing. As you work your way around the fob, you’ll start to hear the snaps releasing, allowing you to easily open the fob and access the battery compartment.

With the key fob open, you can now move on to the next step of replacing the battery. Be sure to handle the key fob with care to avoid any accidental damage.

Replacing the Battery

If you find that your Toyota Prius key fob isn’t working as well as it used to, it may be time to replace the battery. Luckily, this is a simple and quick process that you can do at home with just a few tools.

To begin, you’ll need to gather the necessary tools. You’ll require a small flathead screwdriver, a replacement battery (CR2032), and of course, your Toyota Prius key fob.

Once you have your tools ready, you can begin opening the key fob to access the battery. Use the small flathead screwdriver to carefully pry open the case of the fob, taking care not to damage the plastic. Inside, you’ll find the old battery, which can be easily popped out using the screwdriver. Make sure to dispose of the old battery properly before inserting the new one.

With the new battery in place, it’s time to test the key fob to make sure it’s working properly. If everything is in order, you can then reassemble the key fob by carefully snapping the case back together. Your Toyota Prius key fob should now be good as new, ready to unlock and start your vehicle with ease.

Testing the Key Fob

After you have replaced the battery in your Toyota Prius key fob, it’s important to test if it’s working properly before reassembling it. Testing the key fob ensures that you won’t encounter any issues when trying to use it to lock or unlock your car. To test the key fob, stand near your car and press the lock or unlock button. If the car responds by locking or unlocking, then the key fob is working as it should. If there is no response from the car, you may need to double check the battery placement or consider replacing the key fob altogether.

If the car does not respond to the key fob, you can also try using the spare key fob to see if there is any issue with the car’s receiver. If the spare key fob works fine, then the problem may lie with the first key fob. However, if neither key fob works, there may be an issue with the car’s receiver that requires further investigation.

It’s important to ensure that the key fob is functioning properly before reassembling it, as it can be frustrating to put everything back together only to realize that the key fob is not working. By testing the key fob thoroughly, you can save yourself time and effort in the long run.

Reassembling the Key Fob

After successfully replacing the battery in your Toyota Prius key fob, it’s time to reassemble the key fob. This step is crucial to ensure that your key fob functions properly and securely. Start by carefully placing the key fob shell back together, making sure that all the pieces fit snugly and securely. Take your time to align the buttons and components properly before applying any pressure to snap the shell back in place.

Once the shell is securely in place, it’s time to insert the screws back into the key fob. Use the appropriate tools to tighten the screws, being careful not to over-tighten and damage the plastic casing. Test the key fob by pressing the buttons to ensure that they are responsive and functioning as they should.

Finally, once you have confirmed that the key fob is working correctly, find the key ring loop and reattach it to the fob. This will allow you to easily carry the key fob with your keys and ensure that it doesn’t get lost. With these steps completed, your Toyota Prius key fob should now be properly reassembled and ready for use.

Frequently Asked Questions

Do I need any special tools to change the battery in a Toyota Prius key fob?

Yes, you will need a small flathead screwdriver to pry open the key fob.

What type of battery does the Toyota Prius key fob use?

The Toyota Prius key fob uses a CR2032 3V coin cell battery.

How often should I change the battery in my Toyota Prius key fob?

It is recommended to change the battery every 1-2 years, or when you notice the key fob signal weakening.

Can I replace the battery in my Toyota Prius key fob myself, or do I need to take it to a dealership?

You can replace the battery yourself, it’s a simple and quick process.

What should I do if my Toyota Prius key fob still doesn’t work after replacing the battery?

If the key fob still doesn’t work, try replacing the battery again to ensure it was inserted correctly. If the issue persists, consult a Toyota dealership.

Are there any precautions I should take when changing the battery in my Toyota Prius key fob?

Make sure to work in a well-lit area and to not damage the key fob components when opening it.

Is there a specific orientation for inserting the new battery into the Toyota Prius key fob?

Yes, the positive (+) side of the battery should be facing up when inserting it into the key fob.

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