If your Subaru key fob battery is dead, you’ll need to replace it. This process is pretty simple and only takes a few minutes. Here’s how to do it:
Start by removing the key from the fob. There will be a small release button or tab that you need to press in order to do this. Once the key is out, locate the screw that holds the back of the fob together.
Remove this screw with a Phillips head screwdriver.
- Open the key fob using a small flathead screwdriver
- Remove the old battery and insert a new one, making sure the positive side is facing up
- Close the key fob and test that it works properly
How To Replace Subaru Key Fob Battery DIY 2014 2015 2016 2017 2018 2019 2020
What Battery Goes in a Subaru Key Fob?
Most Subaru key fobs use a CR2032 battery. This is a 3v coin-style battery that can be found at most electronics stores. You may also find them sold as “key fob batteries” at some auto parts stores.
To change the battery in your key fob, start by prying off the back cover with a small screwdriver or knife. Be careful not to damage the back cover, as you’ll need to put it back on later. Next, remove the old battery from the key fob and insert the new one, making sure that the positive (+) side is facing up.
Once the new battery is in place, snap the back cover back on and you’re all set!
How Do I Change the Battery in My Subaru Outback Key Fob?
If your Subaru Outback is equipped with a keyless entry system, then you may find yourself in need of changing the battery in your key fob at some point. Here’s how to do it:
1. Start by finding the small access panel on the back of your key fob.
This is usually located near the bottom.
2. Use a small screwdriver or other sharp object to pry open the access panel.
3. Once the panel is open, you should see a small battery inside.
Use a coin or other flat object to gently pry out the old battery.
4. Take note of which way the battery was installed, then insert the new battery in the same orientation.
5. Close up the access panel and you’re all done!
How Do You Change the Battery in a 2018 Subaru Key Fob?
If you need to change the battery in your 2018 Subaru key fob, here’s what you’ll need to do. First, locate the release button on the back of the key fob. You’ll see it near the bottom of the fob, and it will likely be a different color than the rest of the fob.
Press this release button down with a small tool like a paperclip or pen knife.
Once you’ve pressed down on the release button, the back of the key fob should pop open. Inside, you’ll see a small battery.
Using a coin or another small tool, gently pry out the old battery and dispose of it properly. Then, insert the new battery into the key fob, making sure that the positive (+) side is facing up. Close up the back of the key fob and you’re all set!
How Do You Change the Battery in a Key Fob for a 2020 Subaru Outback?
Assuming you would like a blog-style answer to this question:
How do you change the battery in a key fob for a 2020 Subaru Outback?
Changing the battery in your 2020 Subaru Outback’s key fob is actually quite simple and only takes a few minutes.
Here’s what you’ll need to do:
1. Start by locate the small release button on the back of the key fob. This is usually located near the bottom.
Pressing this release button will allow you to pop open the back cover of the key fob.
2. Once the back cover is off, take out the old battery and note its orientation (usually indicated by plus and minus symbols).
3. Insert the new battery into the key fob, making sure to orient it in the same way as the old one was placed.
4. Close up the back cover of the key fob and you’re all set!

Credit: lost-car-keys-replacement.com
What Kind of Battery for Subaru Key Fob
Subaru key fobs use a CR2032 coin-type battery. You can find these batteries at most electronics stores, or online. Be sure to get the correct type of battery, as some fobs use different types.
When replacing the battery in your Subaru key fob, first remove the old battery. There is usually a small tab or release button that you need to press in order to open the fob. Once the old battery is out, insert the new one making sure that the positive (+) side is facing up.
Close the fob and test it out!
Conclusion
Most newer model Subaru vehicles come with keyless entry, which means there is a key fob that you use to unlock and lock the doors. The key fob also has a panic button and a trunk release button. The key fob battery will eventually die and will need to be changed.
This is a quick and easy process that anyone can do.