Step-by-Step Guide to Changing Your Toyota Corolla Key Battery Successfully

In this tutorial, I will guide you through the process of opening up your Toyota Corolla key fob and replacing the internal battery at home. This is a simple DIY task that only requires a regular flathead screwdriver and a CR2016 battery.

If you need to purchase the CR2016 battery, you can find it online. Check the description for a link to buy it from Amazon at an affordable price.

Step-by-Step Guide:

1. Start by locating the side of the key fob where the key ring attaches. There is a small indentation in the plastic on this side. Carefully insert the flathead screwdriver into the indentation and twist to open the fob. Ensure the Toyota symbol on the back of the device is facing up.

2. Once the fob is open, remove the cover and the buttons. Be cautious with the buttons as they can easily fall out.

3. Look for a space between the black and clear plastic on the bottom of the fob. Insert the screwdriver or a coin into the space and twist to open the fob further.

4. Remove the black component from the rubber and carefully pry out the old CR2016 battery using the flathead screwdriver. Make sure to note the orientation of the battery before removing it.

5. Insert the new CR2016 battery, ensuring the positive side with the plus sign is facing up. Secure the battery in place.

6. Reassemble the key fob by putting the components back together in the reverse order of disassembly.

7. Once everything is back in place, the key fob is ready to use with its new battery.

That’s all it takes to change the internal battery in your Toyota Corolla key fob. I hope this guide has been helpful for you. If you found it useful, feel free to let me know in the comments section. For more tutorials on changing key fob batteries for any make or model, you can explore our YouTube channel or visit our website directly at fogbattery.com.

What tools do I need to open up my Toyota Corolla key fob and change the internal battery?

You will need a regular flathead screwdriver and a CR2016 battery.

Where can I get the CR2016 battery?

You can check the link in the video description on YouTube, which will take you to Amazon to get one for just a couple of bucks.

How do I open the Toyota Corolla key fob?

Insert a flathead screwdriver into the indentation near the key ring attachment area and twist to open it up, ensuring that the Toyota symbol on the back of the device is facing up.

How do I change the internal battery in the Toyota Corolla key fob?

Remove the black component, pop out the old CR2016 battery, insert the new one with the positive side facing up, reassemble the components, and click the back into place.

Where can I find more tutorials for changing key fob batteries?

You can check out the rest of our tutorials on YouTube or visit our website directly at fogbattery.com.

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