Subaru Key Fob Batteries & How to Replace Them

This is your one-stop shop for changing Subaru key fob batteries.

To find out which device you have, what battery it takes, and how to open it—scroll down and select your Subaru model from the “Subaru Vehicle Models” list. If you click “Legacy,” for example, you will be taken to a page with video tutorials for every Subaru Legacy key fob used over the years.

Alternatively, you can stay on this page and scroll down to the bottom to see video tutorials for all possible Subaru key fobs. Just find the video that shows your device in the thumbnail and click to play.

Our video tutorials show you everything you need to know to replace your battery at home, without any special tools or experience!

Subaru Vehicle Models

Click on your model below to see a guide. Each page shows you all of the key fobs used for that model and a tutorial on how to change your battery at home. Or, you can scroll down to see a chart with each key fob and its information.

PICTUREKEYYEARSBUY BATTERY
Silver Sides2014 - 2021Check on Amazon
Fixed Key2008 - 2021Check on Amazon
Teardrop2005 - 2014Check on Amazon
Rectangular2006 - 2008Check on Amazon
Simple1999 - 2006Check on Amazon

How to change the battery in the “Silver Sides” Subaru key fob

Subaru Impreza Key Fob Battery Replacement (2015 - 2021)

This is the battery you need for the Subaru “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

Check Price on Amazon

How to change the battery in the “Fixed Key” Subaru key fob

Subaru Forester Key Fob Battery Replacement (2014 - 2021)

This is the battery you need for the Subaru “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

Check Price on Amazon

How to change the battery in the “Teardrop” Subaru key fob

Subaru Forester Key Fob Battery Replacement (2005 - 2013)

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

Sale
Energizer CR2025 Battery, 3V Lithium Coin Cell 2025 Batteries (2 Battery Count) - Packaging May Vary
  • 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

Check Price on Amazon

How to change the battery in the “Rectangular” Subaru key fob

Subaru Legacy Key Fob Battery Replacement (2006 - 2008)

This is the battery you need for the Subaru “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

Check Price on Amazon

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

6Pcs Mini Screwdriver Set, Eyeglass Repair Screwdriver, Precision Repair Tool Kit with 6 Different Size Flathead and Philips Screwdrivers, Ideal for Watch, Jewelers
  • 【6 Different Size】: 2pcs Phillips sizes(#0, #1); 4pcs Flathead sizes(1.4mm, 2.0mm, 2.4mm, 3.0mm); It is the prefect choice for your daily repairs such as watch, jewelry, glasses repair and fixing anything with small screws
  • 【Good Grip Design】: The gap is closely combined while use, comfortable hand feeling. Spinning end caps increase speed and efficiency. A must have in the toolbox
  • 【Easy To Carry】: Packed in a plastic storage case to help you keep the screwdriver organized. These are so convenient to have around the home

Check Price on Amazon

How to change the battery in the “Simple” Subaru key fob

Subaru Impreza Key Fob Battery Replacement (2001 - 2004)

This is the battery you need for the Subaru “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

Check Price on Amazon

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

6Pcs Mini Screwdriver Set, Eyeglass Repair Screwdriver, Precision Repair Tool Kit with 6 Different Size Flathead and Philips Screwdrivers, Ideal for Watch, Jewelers
  • 【6 Different Size】: 2pcs Phillips sizes(#0, #1); 4pcs Flathead sizes(1.4mm, 2.0mm, 2.4mm, 3.0mm); It is the prefect choice for your daily repairs such as watch, jewelry, glasses repair and fixing anything with small screws
  • 【Good Grip Design】: The gap is closely combined while use, comfortable hand feeling. Spinning end caps increase speed and efficiency. A must have in the toolbox
  • 【Easy To Carry】: Packed in a plastic storage case to help you keep the screwdriver organized. These are so convenient to have around the home

Check Price on Amazon

Frequently Asked Questions

What battery goes in my Subaru key? The battery for your key depends on the type of key fob. Check the chart at the top of this page to see which one you have. The most common Subaru key batteries are 3v coin batteries like CR2032 and CR1620.

Where can I buy Subaru key fob batteries? For the best prices, you should buy the batteries on Amazon. Your battery will come right to your door—no need to shop around the hardware store. Here are all of the batteries used in Subaru key fobs: click on your battery to buy it on Amazon: CR2032 battery, CR2025 batteryCR1620 battery.

How much does it cost to replace a Subaru car key? Getting a new battery at a dealership will cost you significantly more than doing it yourself. If the only issue is a dead battery, you can just order a new one on Amazon and follow one of our tutorials to change it yourself. The battery only costs a couple of bucks and the entire process only takes about five minutes. However, if your key fob is broken you may need to replace it, which will be more expensive.

How do you change the battery in a 2018 Subaru key fob? It depends on which key fob type you have. Some years have many different key fobs in use simultaneously—there is no one correct answer here. See the table at the top of this page to find your specific device.

How do you change the battery in a Subaru Legacy key fob? Most Subaru models have multiple possible key fobs depending on the year and trim. To see how to change the battery in your specific Legacy key fob, scroll up to the top of the page and click on “Legacy” from the “Subaru Vehicle Models” list. 

 

Subaru Key Fobs — Everything You Need to Know

Gone are the days when drivers needed to always carry their car’s ignition key. Thanks to advanced programming, we have moved onto the next new step.

Subaru keyless entry remotes are pretty much a standard with vehicles from Subaru Inc. As with any fob, you’ll need to know how to program it and replace its battery.

If you have a Subaru make and remote, then you’ve come to the right place. Reading this guide will help you get all the details you need to keep driving and save money.

What Are Subaru Keyless Entry Remotes?

Subaru’s keyless entry remote allows you to access your car without even touching its car ignition key.

The brand uses two Subaru keyless entry fobs — which one you get will depend on the model of your car. The traditional metal car key will not be visible to you, because it will hide inside the remote as a backup option.

How Does the Subaru Key Fob Work?

When you click a button, your Subaru key fob sends a unique code to your vehicle’s receiver. This interaction activates the locking mechanism of your car. Most fobs also use a code generator that features almost unlimited and unique entry codes.

Advantages of having a Subaru remote key fob

  • Perfect when you’re in a hurry, your Subaru key fob will control your vehicle even from your pocket, purse, or bag.
  • Your vehicle remains secure as you can only access it when the car key remote is nearby. You can also use it to quickly lock all the doors on your vehicle as soon as you need to.
  • A new cutting-edge remote and start system is available on many new models of Subaru vehicles. They allow you to hop into your vehicle and get the ignition started as easily as pulling open its doors and clicking a button.
  • Many Subaru models will beep when you use your key fob to unlock it. The sound is helpful when you’re looking for your car in a crowded parking lot and don’t remember where you left your vehicle.
  • Most of these remotes come with code architecture as an added security feature. Please set a unique code and share it only with those you trust.
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
Check Price on Amazon

Types of Subaru Key Fobs and Remotes

Here are a few examples of Subaru keys and information about each:

  • 2021 Subaru Ascent Smart Remote – These types of remotes usually work with a proxy entry system.
  • 2005 – 2009 Subaru Transponder Key w/ Subaru Logo – This transponder key would fit Tribeca, Outback, and Impreza models.
  • 2004 Subaru Baja Remote – Take care of programming these remotes yourself. It will require a CR2032 battery. It will fit Forester, Outback, Legacy automotive models too if you need a replacement Subaru.
  • 2019 Subaru BRZ Remote Head Key – These require professional programming, so ask your automotive dealer or an authorized locksmith to program these remotes for you.
  • 2010 Subaru Legacy Transponder Key – Once your local automotive locksmith or dealership links this remote to your car, you’ll be good to go.
  • 2006 Subaru B9 Tribeca Keyless Entry Remote – These remotes are ideal for DIY programming after receiving them from the dealer.

Common Features of a Subaru Key Fob

  • Lock and unlock
  • Truck or fuel opening
  • Alarm activation

These features will depend on the price, model, and features of the cars. Call your dealer or check on their site for more information.

How Much Does It Cost to Replace a Subaru Key Fob?

The average cost will vary depending on the website you look at. However, prices average around several hundred dollars to replace a Subaru key fob. This price will usually depend on the type of replacement you need, what model you drive, and whether the replacement key is available with the dealer.

How Much Does It Cost to Rekey a Subaru?

If you do the programming yourself, it’s free! Having a dealer or locksmith provide this service can cost around $100 or so. Use their “call us” option on their site for an exact estimate.

How Do I Get a Replacement Key for My Subaru?

You may seek out a reputable Subaru dealer to arrange replacement keys for you. You will need to prove to them that you are the owner of the vehicle. These replacement Subaru dealers will be able to give you a good price as long as you provide all the necessary paperwork. Some have special cutting machines that can cut a new blade for a customer based on the vehicle’s VIN #.

Contact multiple customer service providers and Subaru dealers to compare price options and see which is most affordable.

Can You Reprogram a Subaru Key Fob?

In many cases, a customer won’t need a specialized locksmith to conduct the Subaru key fob programming. Keep an eye out for the “lock and unlock” button located on the door of your vehicle. Look for the first digit of your transmitter number and press the door button several times. You will need to repeat this process a few times for each digit till the keys are programmed.

Many key fobs come with instructions so you can program them yourself. Ask for a program guide and the price of having it programmed for you so you can compare.

Where Can You Buy Replacement Keys or Batteries for Your Remote?

To get your replacement key or battery, shop online for the best price. Many sites sell remotes for different vehicle models, but if you have trouble finding the right one, don’t hesitate to take them up on their “call us” offer.

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
Check Price on Amazon

Online Shopping Tips

Sometimes you may have to pay the delivery price extra. But many suppliers on eBay or Amazon also provide free shipping when you shop through them. Be sure to look for promo code deals as you’ll want to use them.

Online shopping has made it easy to find the tools and keys you need without paying for an expert. You can search the page and menu on these websites for the year, different models, and tools you want to view. You must always compare the year of manufacturer, price, and supplier reviews to make an informed decision.

A Black Car with the Taillights Turned On

Subaru Key Fob —The Bottom Line

When you need to replace your Subaru key fob, don’t play the guessing game. Keep this guide handy, so you can quickly get a replacement at the best deal.