Subaru Legacy Key Fob Battery Remote Replacement (1999 – 2021)

The Subaru Legacy has by now earned its name. For over three decades this sedan has cruised roads across the globe and shown great reliability doing so. There are five different key fobs used with the Legacy over the years. All of these devices are easy to open and take inexpensive, easy-to-find batteries. Check below to see video tutorials on how to change the batteries in each of these key fobs.

For other Subaru models, see our Subaru key fob battery page.

MODELFOBYEARSBATTERYBUY BATTERY
LegacySilver Sides2015, 2016, 2017, 2018, 2019, 2020, 2021CR2032Check on Amazon
LegacyFixed Key2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019CR1620Check on Amazon
LegacyRectangular2006, 2007, 2008CR1620Check on Amazon
LegacyTeardrop2006, 2007CR2025Check on Amazon
LegacySimple1999, 2000, 2001, 2002, 2003, 2004CR2032Check on Amazon

How to replace the Subaru Legacy “Silver Sides” key fob battery (2015, 2016, 2017, 2018, 2019, 2020, 2021)

Watch the video below for a step-by-step tutorial on how to change the battery in your key fob.

What you will need:

  • 1x CR2032 battery
  • Flat-head screwdriver
Subaru Legacy Key Fob Battery Replacement (2015 - 2021)

This is the battery you need for the Subaru Legacy “Silver Sides” key fob:

Amazon Basics 4 Pack CR2032 3 Volt Lithium Coin Cell Battery
  • IN THE BOX: 4-pack of CR2032 3 volt lithium coin cell batteries; replacement for BR2032, DL2032, and ECR2032
  • DEVICE COMPATIBLE: Ideal for watches, calculators, key fobs, Apple TV remotes, and other small electronics
  • DESIGNED TO LAST: 8-year leak-free shelf life

GIF Visual Guide

In this quick tutorial, I will show you how you can change the battery in your Subaru Legacy key Fob this device here was used on Legacies between 2015 all the way up to present day 2021. And inside we will find just one CR 2032 battery. You can get one of these batteries online. I will put a link down the description if you'd like to pick one up on Amazon for the lowest price.

It's just a couple of bucks. And once you got that battery, you can just follow along. It's really easy to do. So the first step here is take your device, flip it over to the back and you see this little silver button here. We're going to hold that down and pull out the internal key.

As you can see, I don't have the key right now, but it's really easy. You're just going to pull the key out and set that aside and then turn your attention into this area here. Now with a flathead screwdriver, we are actually going to insert into this little indentation in the plastic here to twist and open it up. You can see this is the keyhole. And then parallel to that, right above it is this smaller little slot we're going to insert in there and just twist the key twist the flathead screwdriver.

And now you can see we've started to open this thing up. This back piece of plastic will now just come right apart. You can take this, set that aside and then I'm going to just gently dump out this component. It shouldn't all fall apart on you like it did for me. Kind of made a mistake there.

But we'll show you how to put this all back together at the end. So let me just set that to the side and here is our battery and our circuit board. Hold it on the sides. You don't want to be touching what's on the back there. So now actually getting your battery out is super simple.

You can see in between the battery and the plastic, there's a little space here. We're going to put the corner of our flathead screwdriver in there just like this and just apply a little bit of constant pressure and you will get under the battery. It'll slide in there and it will just pop right out like that. Don't push too hard, you don't want to damage anything. Just a little constant pressure and this thing will pop out for you.

So there we go. CR 2032 battery. Take a brand new one again, if you don't know where to find it. I will put a link in the description to get one on Amazon.com. And once you have your new fully charged battery, make sure this positive side that has the text and information goes face up.

You will just begin to push it down to this part first and click on the top. And now we can begin reassembling this whole thing so if yours is looking a little bit better than mine you can skip these steps but we will just be taking the buttons here and you can see this is how the device is meant to be oriented. You can see how these little images are and you know that it's going to go like that right side up. Go ahead and drop that in and it will sit flush. Same thing here we have our little alarm button that you will just place in like that sit flush and then the rubber component goes right on top.

There we go. So now what we want to do is on this back piece you can see there's that little battery icon. We're actually going to take this and set that so that the battery icon is actually touching the battery and it will sit flush in there. And again if you just turn this upside down these batteries will fall out. So what you want to do is kind of take the two pieces and just gently push them together so everything stays in its place and once you click it together you can test the buttons and you see that light is coming on.

That means you did everything right and your battery is charged and you are good to go so I hope that video helped you out and if it did you could let me know in the comment section or just by giving this video a like and if you ever need help changing another battery in any of your key Fob for any maker model you can check out the rest of our videos here on YouTube or visit us at fobbattery.com.

How to replace the Subaru Legacy “Fixed Key” key fob battery (2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019)

Watch the video below for a step-by-step tutorial on how to change the battery in your key fob.

What you will need:

  • 1x CR1620 battery
  • Flat-head screwdriver
Subaru Legacy Key Fob Battery Replacement (2008 - 2013)

This is the battery you need for the Subaru Legacy “Fixed Key” key fob:

Amazon Basics 2 Pack CR1620 3 Volt Lithium Coin Cell Battery
  • IN THE BOX: 2-pack of CR1620 3 volt lithium coin cell replacement batteries for small electronic devices
  • DEVICE COMPATIBLE: Ideal for watches, calculators, games, medical devices, and more
  • DESIGNED TO LAST: Long-lasting, reliable battery life; performs in extreme temperatures

GIF Visual Guide

In this quick tutorial, I will show you how you can change the battery in your Subaru Legacy key Fob. This device here was used between 2008 and 2019. And it takes just one of these CR 1620 batteries. If you want to pick one of these batteries up online, I will leave a link down in the description to get one on Amazon for the lowest price. It's just a couple of bucks.

And once you have that battery and a regular flathead screwdriver, you are good to follow along. So the first step here is to look at this keyring up at the top and on the corner there you can see that little indentation in the plastic. We're going to take the flathead screwdriver, insert it in there and just give it a twist. And you can see we've started to open this thing up on the side, going to work my way down that opening, just twisting until the back comes off with ease. Now you can set that to the side in here.

We have a little component, a little box that houses the battery. And I'm just going to actually dump that out, take a look at it here. We have to push these little latches, if you want to call it that, these little pieces of plastic. We're going to have to push them up to unlock this device. So we're actually just going to use the same flathead screwdriver.

And you want to just get under the edge of it and just gently push and wiggle. And it won't feel like much on the first one. But you will actually have moved it past this little piece that you see there that holds it in place. So just go and do one by one, pushing and wiggling, move to the next one, get in there.

And usually by the third one it starts to come really loose. You can see now it's practically open. And just do the last one corner in wiggling, pushing. And there we go. Now you can just pull this thing apart, set this part to the side.

And now here's our battery with this little metal part pointing down. We want to come in on the top left, right here with our flathead screwdriver. And again, just using the corner of the flathead, we're going to go down, get under the battery and just lift it up gently. Here we have a 1620 battery. Again, there will be a link in the description to pick one of these up.

If you don't know where to find it, you could just get it on Amazon. And when you are putting this battery back into your device, make sure this positive side that has the text and the battery information goes face down and you'll just click it into place, face down. And now we just have to reassemble the whole device here. So click that back into place, make sure it looks good and secure. And now you can take this set this inside so that it sits flush and you can just click the back into place.

Make sure it's not open. It's nice and secure and there you have it. You are all set and ready to go so I hope that video helped you guys out. If it did you can let me know in the comment section or just by giving this video a like and for any more information on how to change the battery in any key Fob for any maker model, you could check out the rest of our videos here on YouTube or visit us at fobbattery.com.

How to replace the Subaru Legacy “Rectangular” key fob battery (2006, 2007, 2008)

Watch the video below for a step-by-step tutorial on how to change the battery in your key fob.

What you will need:

  • 1x CR1620 battery
  • Flat-head screwdriver
Subaru Legacy Key Fob Battery Replacement (2006 - 2008)

This is the battery you need for the Subaru Legacy “Rectangular” key fob:

Amazon Basics 2 Pack CR1620 3 Volt Lithium Coin Cell Battery
  • IN THE BOX: 2-pack of CR1620 3 volt lithium coin cell replacement batteries for small electronic devices
  • DEVICE COMPATIBLE: Ideal for watches, calculators, games, medical devices, and more
  • DESIGNED TO LAST: Long-lasting, reliable battery life; performs in extreme temperatures

GIF Visual Guide

In this quick tutorial, I will show you how to change the battery in your Subaru Legacy key Fob. This particular device was used between 2006 and 2008, and it takes just one of these CR 1620 batteries to run. If you don't know where to get this battery, you can actually pick one up online. So I will leave a link down in the description to get one on Amazon for just a couple of bucks. It's probably the lowest price out there and you don't have to go shopping around, so it's pretty convenient.

The only other things you will need is a regular old flathead screwdriver. And you will need a smaller Phillips head screwdriver, one that is the right size to remove this screw. So I will be using a rather small precision screwdriver. If you do not have a Phillips head small enough to remove this screw, I would recommend something like this. It's just a little pack of precision screwdrivers.

You have your Phillips head and flathead of different sizes. This is also just a couple of bucks. And I will put a link on the description to get it on Amazon if you're interested. And once you have everything you need, you can just follow along here. So what we're going to do is just remove that small screw to start and just remove that, set it to the side.

You don't want to lose it. And you can probably just pull this part with your fingers. But if it's been many years, if it's a little bit old, it can be kind of gunked up or stuck there. So what I like to do is just take the flathead screwdriver and push in. So there's like a little space between the battery and the plastic there.

If you just kind of put the corner of your tool in there and just push and wiggle, you will get under there and just be able to lift this piece off very easily. Now set the back to the side, and inside we have this little component that we will be removing. So you can just kind of knock it out, push on the buttons on the front if you would like, just to loosen it to get this part out. Now set this to the side and we will just be opening this up by targeting the bottom here with our flathead screwdriver. And you can see there's this little kind of latch that's holding it into place.

I'm going to go under it and just kind of push and wiggle like that until we can remove these. Now set this aside. You don't want this rubber component coming out. Your buttons will fall out. So just kind of keep this nice and together.

Set that to the side. And now we can turn our attention here to the battery again with the corner of our flathead screwdriver. I'm just going to come in from the top and just get under the battery with the corner and lift it up just very gently the battery will pop out. Just need to lift it up a little prying motion. Here is our 1620 battery again.

If you don't know where to pick this up I will leave a link down in the description for you to get one for just a couple of bucks and once you have a new one make sure you are putting the positive side face down. Yes, positive side facing down. Click it into place just like that and now we can just carefully start to reassemble the device so click this part back together so that it's locked and secure. Set this back inside, push it all the way down and now we can set the back into place and when you're doing this the keyring is here. You actually want to connect that first.

There's kind of a little latch on the top so you get that and then push down. If you go from the bottom first this part will not close so make sure you are hooking on to this little latch right there and then pushing down and the last step of course is to put our small screw back in there and just twist it to a finger tightness. I say you don't need to screw it too tight just enough to hold this thing together nicely like that and there we go. All our buttons are working. We have a new battery in there and we are good to go so if that video helped you out feel free to let me know down in the comments section or just by giving this video a like and if you ever need help changing a battery in any of your key Fob no matter the maker model you can check out the rest of our videos here on YouTube or visit us at fobbattery.com.

How to replace the Subaru Legacy “Teardrop” key fob battery (2006, 2007)

Watch the video below for a step-by-step tutorial on how to change the battery in your key fob.

What you will need:

  • 1x CR2025 battery
  • Flat-head screwdriver
Subaru Legacy Key Fob Battery Replacement (2006 - 2007)

This is the battery you need for the Subaru Legacy “Teardrop” key fob:

Sale
Energizer 2025 Batteries, Lithium CR2025 Battery, 2 Count
  • Energizer 2025 Lithium Coin Battery
  • Delivers long-lasting, dependable performance in specialty devices like heart rate monitors, remotes, keyless entry systems, glucose monitors, toys, and games.Operating temperature:-30C to 60C
  • Holds power for up to 10 years in storage, ensuring you have Lithium Coin Batteries ready when you need them

GIF Visual Guide

In this quick tutorial I will show you how you can easily open up the key Fob for your Subaru Legacy and change the internal battery at home. It's very easy to do. All you will need is one of these CR 2025 batteries. If you'd like to pick one of these up online, I will leave a link down in the description here on YouTube to get one on Amazon for just a couple of bucks. And once you have that, you can follow along.

The only other thing that you will need is a regular flathead screwdriver. So pick up your device, look at the top. There's a little indentation here, right along the seam of the plastic. Just going to put a flathead screwdriver in, gently hold the device, don't squeeze it and just turn your flathead screwdriver. It will come apart very easily.

And now you can set this side down. Look to the battery here. Use the very same tool. I'm just going to stick the corner of this flathead screwdriver up from the top left here where there's a little opening in the plastic. You're going to just get under the battery and lift it out.

It'll pop right out. And now you can take a new CR 2025 battery again. There will be a link in the description if you'd like to pick one of these up online. And here we go. We're just going to put a positive side down.

So the text and information is facing down. Click it into place, take the two halves, click it back together and you are all set. That's really all it takes. Super easy. I hope that helped you out.

And if it did, you can let me know in the comments section or just by giving this video a like. And if you ever need help changing another battery in one of your key Fobs for any maker model, you can check out the rest of our video us here on YouTube or visit us at fobbattery.com.

How to replace the Subaru Legacy “Simple” key fob battery (1999, 2000, 2001, 2002, 2003, 2004)

Watch the video below for a step-by-step tutorial on how to change the battery in your key fob.

What you will need:

  • 1x CR2032 battery
  • Flat-head screwdriver
  • Precision screwdriver
Subaru Legacy Key Fob Battery Replacement (1999 - 2004)

This is the battery you need for the Subaru Legacy “Simple” key fob:

Amazon Basics 4 Pack CR2032 3 Volt Lithium Coin Cell Battery
  • IN THE BOX: 4-pack of CR2032 3 volt lithium coin cell batteries; replacement for BR2032, DL2032, and ECR2032
  • DEVICE COMPATIBLE: Ideal for watches, calculators, key fobs, Apple TV remotes, and other small electronics
  • DESIGNED TO LAST: 8-year leak-free shelf life

These are the precision screwdrivers I used to open this key fob in the video:

Sale
6 PCS Precision Screwdriver Sets, Eyeglass Repair Kit Screwdriver, Mini Screwdriver Set, Flat Head and Philips Head Screwdriver Sets, With 6 Different Sizes, Suitable For Watch, Electronic Repairs
  • 1【6 Different Sizes】Precision screwdriver set, The set includes 2 cross sizes (#0,#1); 4 flat head sizes(1.4 mm, 2.0 mm, 2.4 mm, 3.0 mm); mini screwdriver is your daily electronic repair, watch repair, jewelry repair Perfect choice for any other small screws.
  • 2【Rotating Design】Eyeglass repair kit, The end cover adopts a rotating design, which is flexible to rotate, and the gap is tightly combined,and it is comfortable to use. Rotating end cap improves efficiency and is easy to use.
  • 3【High Quality】Our precision screwdriver set is made of high-quality chrome vanadium steel material, hardened carbon steel shaft, black oxidation treatment, durable and corrosion-resistant. The screwdriver is small and very suitable for small screws.

GIF Visual Guide

In this quick tutorial, I will show you how you can open up your Subaru Legacy key Fob and change the internal battery at home. It's very easy to do. All you will need is one of these CR 2032 batteries and if you'd like to pick one of those is up online. I will leave a link down in the description to get one on Amazon for the lowest price. It's just a couple of bucks and the only other thing you will need is a Phillips head screwdriver that will allow you to pull out these two small screws.

I'll be using this precision screwdriver. If you don't happen to have a Phillips head that is the correct size, I would recommend something like this. This is just a little pack of precision screwdrivers. You have Phillips head and flathead of multiple sizes. And again, it's just a couple of bucks on Amazon.

So I'll leave a link down the description. If you need to get one of these tools. Once you have everything, just follow along. We will just be removing these two screws to start. This is the trickiest part, actually, once we open this thing up super easy.

So set your screws to the side. Do not lose them. Hold these things out. And now that the screws are out, we can just open this up with our fingers.

There we go. Set the back to the side and from here we can literally just slide this thing out with our thumb. Take a look at it as a CR 2032 battery. Again, if you don't know where to get one of these, I will put a link in the description to get it on Amazon. And when you have your new battery, just make sure this positive side with the text, the information there goes face up and just slide it back into place.

Of course we got to put the back on and just click that and make sure it's all lined up before you start to turn in these screws.

And go ahead, just tighten up these screws. You don't need to do it too tight. Just a little finger tightness, I'd say. So it holds it together nicely, but you don't want to lock the screws or damage them. And there we go.

If your battery is fully charged and you did everything correctly, you should see that light come on your device and that means you are all set and good to go. So I hope that video helped you out. If it did, feel free to let me know down in the comments section or just by giving this video a like. And if you ever need help changing any of the batteries in your key Fob for any maker model, you can check out the rest of our tutorials here on YouTube or visit us at fobbattery.com.