How To Change The Battery In A Key Fob?

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Last Updated on September 22, 2022 by Ellis Gibson (B.Sc. in Mechanical Engineering)

You’re driving home from a long day at work when you realize your key fob is dead. You’re already running late, and now you have to figure out how to change the battery. You search online for a quick tutorial and find this article. You read through the steps and realize it’s not as difficult as you thought it would be. With this article, you’ll be able to replace the battery in your key fob quickly and easily.

So, how to change the battery in a key fob?

If your car key fob remote has a dead battery, it’s easy to change it out yourself. All you need is a small screwdriver and a new battery. Just follow these steps:

1. Use a small screwdriver to pry open the back of the key fob remote. 2. Take out the old battery and note which way it was facing. 3. Put in the new battery, making sure it faces the same way as the old one did. 4. Close up the key fob remote and you’re done!

Let’s dig into it and see what we can learn.

Step By Step Process On: How To Change The Battery In A Key Fob?

Here I will explain you step by step process of how to change the battery in a key fob? let’s see how to change the battery in a key fob.

REQUIRED TOOLS:

1.A flathead screwdriver or a butter knife 2. The new battery

Step-01:

First, you’ll need to identify the correct battery for your key fob. You can do this by checking the manufacturer’s website or the back of the key fob itself for a battery model number.

Step-02:

Once you have the new battery, it’s time to remove the old one. Start by gently prying open the key fob with a flathead screwdriver or a butter knife.

Step-03:

With the key fob open, locate the old battery and remove it. Be careful not to damage the delicate circuit board inside the key fob.

Step-04:

Now it’s time to install the new battery. Make sure the positive and negative terminals are facing the correct way, then gently press the new battery into place.

Step-05:

Once the new battery is in place, close up the key fob and give it a test. If it works, you’re all done!

If you wanted to watch a youtube video that shows you how to change the battery in a key fob? I have included a video below:

Can I Replace The Key Fob Battery Myself?

Your car’s key fob is essential for locking and unlocking your doors, as well as starting the engine. But if the battery starts to die, you may be left stranded.

Luckily, most key fobs can be easily opened to replace the battery. In most cases, you’ll just need a small screwdriver to pry it open. And replacement batteries generally cost $10 or less.

However, some key fobs require two batteries, so be sure to check your owner’s manual before you start shopping for a replacement.

With a new battery in hand, simply pop open the key fob and replace the old battery with the new one. Then, test the fob to make sure it’s working properly.

If you find yourself in a bind and need to replace your key fob battery in a hurry, most hardware stores or auto parts stores should have the batteries you need in stock.

An additional, It’s easy to replace the battery in your key fob, but you may need a small screwdriver to open it. Batteries usually cost $10 or less. Some key fobs need two batteries.

Do You Have To Reprogram A Key Fob If You Replace The Battery?

If you’ve replaced the battery in your key fob, you may be wondering if you need to reprogram it. The good news is that, in most cases, you don’t need to do anything. The key fob should continue to work as usual.

However, there are a few circumstances in which you may need to reprogram your key fob. If you’ve replaced not just the batteries but also some of the internal wiring and electronics, you may need to reprogram it by pairing it with your vehicle once again. This is generally a simple process that can be done with a few button presses.

If your key fob isn’t working after you’ve replaced the battery, it’s worth trying to reprogram it. It’s also a good idea to check if there’s an updated version of the key fob software available for your vehicle. In some cases, updating the software can fix issues with the key fob.

Along with, If you’ve just replaced the batteries in your key fob, you shouldn’t need to reprogram it. However, if you’ve replaced some of the internal wiring and electronics as well, you may need to pair it with your vehicle again.

How Do I Open My Car Key Fob?

Assuming you have a key fob with a button on it:

To open your key fob, all you need is a strong fingernail or a small flat head screwdriver. Gently insert the tool of your choice into the seam between the two halves of the key fob and pry it open. Be careful not to break the key fob shell by prying too forcefully from one location.

As well as that, If you want to open your key fob, all you need is a strong fingernail or a small flat head screwdriver. Pry gently from more than one location around the fob to avoid breaking it.

What Kind Of Battery Goes In A Key Fob?

When it comes to batteries, there are a few different types that can be used in key fobs. The most common type of battery that is used in key fobs is a button cell battery. The most common button cell battery that is used in key fobs is the CR2032. Other commonly used button cell batteries include the CR2450, CR2025, CR1616 and CR2016.

Besides this, A button cell is a small, round battery that is often used in key fobs. The most common type of button cell is the CR2032. Other types of button cells include: CR2450, CR2025, CR1616 and CR2016.

Final Word

If your car key fob starts to feel like it’s losing its juice, it’s probably time to change the battery. Here’s a quick and easy guide on how to do just that.

First, locate the screw that holds the back cover of the key fob in place. Use a small Phillips head screwdriver to remove the screw, then pry the back cover off.

Once the back cover is off, you’ll see the battery inside. Gently remove the old battery and insert the new one, making sure the positive (+) side is facing up.

Replace the back cover and screw, then test the key fob to make sure it’s working properly. If not, repeat the steps above.

Thanks for reading! We hope this guide was helpful. If you have any further questions, feel free to contact us.

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