Are you having trouble with your Subaru key fob battery? If so, don’t worry – changing the battery is a quick and easy process. In this blog post, we will walk you through the steps necessary to change the battery in your key fob. So read this about how to change the battery in a Subaru key fob

So, whether you are a first-time Subaru owner or just need a refresher course, keep reading for helpful tips and advice. Thanks for choosing our dealership for all your 2needs!

What Is A Subaru Key Fob Battery?

A Subaru key fob battery is a small, coin-sized battery that powers the electronic components in your vehicle’s key fob. Over time, this battery will eventually need to be replaced in order to keep your key fob functioning properly. While the average lifespan of a key fob battery is around two years, it’s not uncommon for them to last much longer.

Importance Of Subaru Key Fob Battery Replacement

The battery in your Chevy key fob is important for a number of reasons. Not only does it power the device that allows you to remotely unlock your car doors, but it also helps ensure that the transponder chip inside the fob is properly powered. This chip is what allows your car to start when you insert the key into the ignition. If the battery in your key fob dies, it could prevent you from being able to start your car. For this reason, it’s important to replace the battery in your Chevy key fob as soon as possible if it starts to die.

What Kind Of Battery Does A Subaru Key Fob Take? 

Many newer cars come equipped with a keyless entry system, which allows you to unlock and lock your doors without having to use a traditional key.

These systems typically use a key fob, which contains a battery that needs to be replaced periodically. If you own a Subaru, you may be wondering what kind of battery your key fob takes.

The good news is that replacing the battery in your Subaru key fob is a relatively simple process that can be done at home with just a few tools.

There are a few different types of batteries that can be used in a Subaru key fob, but the most common type is the CR2032 battery. This battery is a 3-volt coin cell battery that is typically used in small electronics, like key fobs and calculators. The CR2032 battery is also relatively inexpensive and easy to find, making it a good option for those who need to replace their key fob battery.

Another type of battery that can be used in a Subaru key fob is the CR2025 battery. This battery is similar to the CR2032, but it has a lower voltage (2.5 volts). As a result, the CR2025 may not last as long as the CR2032, but it can still be a good option for those who need to replace their key fob battery. Finally, the CR2016 battery can also be used in a Subaru key fob. This battery has an even lower voltage (1.5 volts), so it may not last as long as the other two options; however, it can still be a good choice for those who need to replace their key fob battery.

If you have any questions about replacing the battery in your Subaru key fob, or if you’re having difficulties with the process, there are several online forums devoted to car maintenance and repairs that can offer assistance.

Type Of Battery Used in Subaru Key Fob:

With just a little bit of research, you should be able to find all the information you need to get your key fob working like new again.

Things To Consider When Looking For A Subaru Key Fob Battery 

There are a few things to consider when looking for a Subaru key fob battery:

Forums Recommended Communities:

Subaru key fob battery replacement forums are a great way to get started. You can find these forums by doing a quick search online. Once you’re on the forums, make sure to read through the community guidelines so that you know what is appropriate to post and what isn’t.

In addition, take a look at the “sticky” threads at the top of the forums – these are typically threads that contain important information that you should read before posting anything.

Two halves:

The Subaru key fob battery is actually made up of two halves – the transmitter and the receiver. The transmitter is the half that sends the signal to the car, and the receiver is the half that receives the signal and unlocks the doors.

If you’re having trouble with your key fob, it’s likely that one of these two halves is not working correctly. As such, it’s important to identify which half is not working before you begin troubleshooting.

Key Fob Battery Replacement:

If you’ve determined that your Subaru key fob battery needs to be replaced, there are a few things you’ll need to consider. First, you’ll need to decide whether you want to replace just the battery or the entire key fob. If you’re only replacing the battery, you’ll need to purchase a new one from your local dealership or auto parts store.

However, if you’re replacing the entire key fob, you may be able to find a used one online or at a salvage yard.

Second, you’ll need to determine which type of battery you need. There are two different types of batteries – CR2032 and CR2025 – so make sure you purchase the correct type for your key fob.

Finally, you’ll need to decide how many batteries you need. Key fobs typically require two batteries, so unless yours is a special case, you’ll probably need to purchase two batteries.

How To Remove The Old Battery From The Subaru Key Fob? 

Be careful when performing this battery replacement as the circuit board is fragile and easily damaged. quality screwdrivers are essential to prevent stripping screws. Subaru uses a very small Torx security bit in the key fob. The first step is to lift the small plastic cover off of the back of the key fob.

There are 2 T6 Torx screws holding it in place. Once these are removed, you can carefully separate the halves of the key fob by prying them apart with a small flathead screwdriver. With the key fob open, you can see the battery and circuit board. The old battery will be soldered onto the circuit board and will need to be desoldered before removing it.

Once the old battery is removed, you can install the new one by soldering it onto the circuit board. Finally, reattach the two halves of the key fob together and screw in the two T6 Torx screws. Congratulations, you have now successfully replaced the battery in your Subaru key fob!

How To Install The New Battery In The Key Fob- The Complete Step Guide 

Spring is here and along with it, warmer weather! Warmer weather means more time spent outside, and more time spent outside means your car key fob battery is going to die sooner. So, today we’re going to show you how to install the new battery in the key fob. To start, you’ll need a flathead screwdriver.

With the screwdriver, pop opens the back of the key fob. Once the back is open, you’ll see the battery. Using the screwdriver, carefully pry the old battery out and dispose of it properly. Take the new battery and insert it into the key fob, being careful to line up the positive and negative sides correctly.

Once the new battery is in place, close up the back of the key fob with the screwdriver. And that’s it! You’ve now successfully installed a new battery in your key fob. Thanks for following along and feel free to leave any questions in the comments below.

Tips For Prolonging The Life Of Your Subaru Key Fob’s Battery 

As any car owner knows, the key fob is an essential component of the vehicle. It allows you to access and start the car, as well as Lock and unlock the doors. However, over time, the key fob’s battery will begin to lose its charge. When this happens, you may notice that the key fob doesn’t work as well as it used to.

The Range may be shorter, or the buttons may be less responsive. If you find yourself in this situation, there are a few things you can do to prolong the life of your key fob’s battery. First, if you have forum software installed on your vehicle, make sure to disable it when you’re not using it. This will help to conserve power.

Second, if you’re having difficulty unlocking or locking your doors with the key fob, try resetting it. This can often be done by pressing and holding the button for a few seconds.

Finally, if you notice that your key fob’s range has decreased significantly, it’s probably time to replace the battery. Doing so is relatively simple and can be done at most auto parts stores. By following these tips, you can prolong the life of your key fob’s battery and ensure that it always works when you need it.

Troubleshoots In Changing Battery In A Subaru Key Fob

The process of troubleshooting when changing the battery in a Subaru key fob may slightly vary depending on the model and year of your vehicle. In general, though, you can follow these steps to change the battery in your Subaru key fob. Begin by finding the release button or tab on your key fob. This is typically located near the key ring.

Once you have found the release button, press it to open your key fob. Next, locate the battery inside your key fob. There are usually two batteries in a Subaru key fob, so make sure you replace both batteries at the same time.

Once you have located the batteries, use a small screwdriver or coin to pry them out of their compartment. Then, insert new batteries into the compartment, making sure they are facing the correct way. Finally, close your key fob and test it to make sure it is working properly. If your key fob still isn’t working after changing the batteries, contact a professional for further assistance.

Frequently Asked Questions

How Often Do I Need To Change The Battery In My Subaru Key Fob? 

Many newer models of Subaru vehicles come with a key fob, which can be used to remotely lock and unlock the doors, as well as to activate the panic alarm. The key fob relies on a battery to function, and over time, the battery will begin to lose power and will eventually need to be replaced.

Most manufacturers recommend that the battery in a key fob be replaced every two or three years, but there are a few things that you can do to help extend the life of the battery. Avoid storing the key fob in hot or cold temperatures, as extreme temperatures can damage the battery. In addition, try to avoid dropping the key fob, as this can also cause damage.

If you take good care of your key fob, you should be able to get several years of use out of it before you need to replace the battery.


If you’ve followed the steps in this article, you should now know how to change the battery in a Subaru key fob. This process is simple and can be completed with just a few inexpensive tools that you may have lying around your house.

Be sure to practice changing the battery before you actually need to do so – that way, if there are any issues, you will have time to troubleshoot them.

And remember, if all else fails and you can’t seem to get the key fob working properly no matter what you try, don’t hesitate to take it to a professional locksmith for help. Thanks for reading!

Read more about how to prevent locksmith scams.

If your Subaru key fob isn’t working, you’re not alone. A lot of people have this problem.

But don’t worry, because we can help you solve it. We are San Antonio Car Key Pros, and we know how to change the battery in a Subaru key fob.

We can do it for you quickly and easily, so you can get back on the road without any hassle. Plus, our prices are very competitive, so you’ll get great value for your money.

Call us now at (210) 960-8984 to learn more about our services!