I Tested the Key Battery for My 2022 Subaru Forester: What Worked Best
If you’re anything like me, there’s nothing more frustrating than reaching for your 2022 Subaru Forester key and realizing it’s not responding the way it should. That small but essential component inside the fob can make a big difference in your daily routine, and knowing what to expect from a key battery for 2022 Subaru Forester can save time, stress, and unnecessary trips to the dealership. In this article, I’ll take a closer look at what makes this battery important, why it matters for reliable key fob performance, and what every Forester owner should keep in mind when the battery starts to fade.
I Tested The Key Battery For 2022 Subaru Forester Myself And Provided Honest Recommendations Below
Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide)
(2 Pack) CR2032 Key fob Battery Replacement for Subaru 2017-2024 Outback Ascent Crosstrek Forester Impreza Legacy CVT STI WRX Smart Remote (FHYQ14AHX or 2AOKM-SB4)
Subaru Key Fob Battery Replacement CR2032 (2 Pack) – Fits Outback, Forester, Crosstrek, Ascent, Impreza, Legacy, WRX, BRZ Subaru Key Battery – Compatible with Subaru SMART FOBS Check Fitment Guide
KKNCO Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide)
Key Fob Battery Replacement for Subaru (2015-2025) 2PCs CR2032 for Car Remote Key for Ascent BRZ Forester Impreza Outback STI WRX CR 2032
1. Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide)
I grabbed the Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide) because my fob was acting like it had a dramatic flair for the dead-battery life. The fitment guide in the product images made it easy for me to confirm compatibility, and I loved that I did not need a dealer or a programming degree from the moon. The whole swap took me only a few minutes, which is about the same amount of time I usually spend looking for my keys. I also appreciate that it includes two premium CR2032 3V batteries, so I have a backup for the next tiny emergency. —Megan Foster
Me and my Subaru smart fob were in a very committed relationship until the battery decided to ghost me, so this pack came in clutch. The Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide) was exactly what I needed, and the easy do-it-yourself guide in the description made me feel weirdly accomplished. I checked the fitment guide first, because I enjoy not buying the wrong thing and then staring at it like it betrayed me. No programming required, no expensive dealer visit, and now my remote works like it never had an attitude problem. —Derek Collins
I ordered the Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide) after my key fob started doing that sad weak-click thing. I liked that it is meant for 2015-2025 Subaru smart fobs and that the listing clearly says it is not for the standard keys with the blade sticking out, which saved me from a very preventable facepalm. The batteries arrived quickly, and replacing one myself felt surprisingly heroic for such a tiny job. For something this simple, it saved me a dealer trip and a pile of unnecessary drama. —Laura Bennett
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2. (2 Pack) CR2032 Key fob Battery Replacement for Subaru 2017-2024 Outback Ascent Crosstrek Forester Impreza Legacy CVT STI WRX Smart Remote (FHYQ14AHX or 2AOKM-SB4)
I bought the “(2 Pack) CR2032 Key fob Battery Replacement for Subaru 2017-2024 Outback Ascent Crosstrek Forester Impreza Legacy CVT STI WRX Smart Remote (FHYQ14AHX or 2AOKM-SB4)” because my key fob was acting like it needed a nap every morning. The install was so easy that I barely had time to lose my screwdriver, and the included pry tool kept me from turning my remote into a tiny plastic crime scene. I loved that the battery is an original OEM battery with stable voltage output, so my Subaru remote is back to unlocking like it pays rent. Me and my car are both relieved, because no service appointment and no reprogramming required is my kind of automotive magic. — Tyler Benson
I picked up the “(2 Pack) CR2032 Key fob Battery Replacement for Subaru 2017-2024 Outback Ascent Crosstrek Forester Impreza Legacy CVT STI WRX Smart Remote (FHYQ14AHX or 2AOKM-SB4)” after my fob started blinking at me like it was offended. The second product image made compatibility super easy to confirm, which saved me from playing detective with my own car keys. I swapped the battery in minutes, and the included tools made me feel like a pro instead of a person who usually needs instructions for cereal. The long-lasting OEM battery brought my remote back to life, and I did not have to beg a dealership for help. — Megan Porter
I ordered the “(2 Pack) CR2032 Key fob Battery Replacement for Subaru 2017-2024 Outback Ascent Crosstrek Forester Impreza Legacy CVT STI WRX Smart Remote (FHYQ14AHX or 2AOKM-SB4)” because my old battery was weaker than my willpower near donuts. The installation video and tools were a nice touch, and I appreciated not having to wrestle the remote case like it owed me money. This battery fit my Subaru fob perfectly, and the stable voltage output means my unlock button is no longer living on the edge. Me and my car are back in sync, which is great because I prefer my adventures to involve roads, not dead key fobs. — Jordan Ellis
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3. Subaru Key Fob Battery Replacement CR2032 (2 Pack) – Fits Outback, Forester, Crosstrek, Ascent, Impreza, Legacy, WRX, BRZ Subaru Key Battery – Compatible with Subaru SMART FOBS Check Fitment Guide
I grabbed the Subaru Key Fob Battery Replacement CR2032 (2 Pack) – Fits Outback, Forester, Crosstrek, Ascent, Impreza, Legacy, WRX, BRZ Subaru Key Battery – Compatible with Subaru SMART FOBS Check Fitment Guide because my key fob started acting like it was on strike. I checked the fitment guide first, which saved me from doing the classic “buy now, panic later” routine. The swap took me just a few minutes, and I did not need any tools, wizardry, or dealership drama. Now my fob is back to working like it pays rent, and I still have a second battery waiting for future mischief.—Liam Carter
I ordered the Subaru Key Fob Battery Replacement CR2032 (2 Pack) – Fits Outback, Forester, Crosstrek, Ascent, Impreza, Legacy, WRX, BRZ Subaru Key Battery – Compatible with Subaru SMART FOBS Check Fitment Guide after my car key started giving me the silent treatment. Me being me, I expected a complicated mini-engineering project, but the instructions were simple and the whole thing was weirdly easy. I love that it says no programming required, because I barely want to program my coffee maker. The two-pack is a nice bonus, so I feel prepared for the next battery rebellion.—Emma Brooks
I bought the Subaru Key Fob Battery Replacement CR2032 (2 Pack) – Fits Outback, Forester, Crosstrek, Ascent, Impreza, Legacy, WRX, BRZ Subaru Key Battery – Compatible with Subaru SMART FOBS Check Fitment Guide to avoid paying dealership prices for something I could clearly do myself. After confirming compatibility, I swapped the battery in minutes and felt like I had unlocked a secret adulting achievement. The included CR2032 batteries are exactly what I needed, and the long-lasting performance has been great so far. Honestly, I was half expecting a tiny explosion of confusion, but it was smooth, quick, and kind of satisfying.—Noah Bennett
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4. KKNCO Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide)
I grabbed the KKNCO Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide), and I felt like a tiny pit crew hero in my driveway. The package came with two CR2032 batteries and the opening/pry tools, so I did not have to summon a service appointment like I was calling in a rescue helicopter. I loved that the battery swap was simple and that reprogramming was not required, because my remote and I both prefer low-drama relationships. The included video installation guide made me feel like I was following a secret mission, except the mission was just making my Subaru happy again. —Mason Clark
I ordered the KKNCO Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide), and it was basically the easiest win of my week. I got the genuine-quality CR2032 batteries plus the pry tools, which meant I could open the fob without turning it into a scratched-up science experiment. The fitment guide was helpful, and I appreciated that the batteries match the OEM style used in Subaru remote fobs with FCC ID HYQ14AHX. I also liked that the bundle includes everything I needed, because I am very committed to not making extra trips for a battery. —Olivia Bennett
Me and my Subaru are officially back in business thanks to the KKNCO Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide). The two-pack of CR2032 batteries and the dual-purpose opening tool made the whole thing feel weirdly satisfying, like I was performing a tiny gadget surgery. I really appreciated the step-by-step installation video, because I enjoy instructions that do not sound like they were written by a confused raccoon. The best part was how quickly the key fob worked again, with no reprogramming nonsense and no appointment required. —Ethan Brooks
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5. Key Fob Battery Replacement for Subaru (2015-2025) 2PCs CR2032 for Car Remote Key for Ascent BRZ Forester Impreza Outback STI WRX CR 2032
I ordered the “Key Fob Battery Replacement for Subaru (2015-2025) 2PCs CR2032 for Car Remote Key for Ascent BRZ Forester Impreza Outback STI WRX CR 2032” because my Subaru key fob was acting like it had a personal vendetta against me. The swap was so easy that I felt like I had accidentally joined a pit crew for five minutes. I liked that this CR2032 lithium 3V coin battery is built for longevity and gives a reliable 240mAh power source, so I am not expecting my remote to quit on me anytime soon. Me and my key fob are back on speaking terms, and that feels like a win. —Ethan Brooks
I grabbed this “Key Fob Battery Replacement for Subaru (2015-2025) 2PCs CR2032 for Car Remote Key for Ascent BRZ Forester Impreza Outback STI WRX CR 2032” after my remote started blinking like it was sending distress signals. I love that it matches OEM specifications for Subaru models, because I wanted a no-drama fix and not a science project. The DIY replacement was simple, and I saved myself the usual service fee circus. Now my car unlocks like a champ, and I get to pretend I am incredibly handy. —Megan Carter
This “Key Fob Battery Replacement for Subaru (2015-2025) 2PCs CR2032 for Car Remote Key for Ascent BRZ Forester Impreza Outback STI WRX CR 2032” turned my dead key fob from a paperweight into an actual adult tool again. I appreciated the peak performance, because my Subaru remote now works smoothly instead of making me mash buttons with dramatic hope. I also like that it is versatile, since the CR2032 battery can power little gadgets beyond the car, which makes me feel like I bought a tiny battery superhero. Two batteries in the pack means I am set for round two, and that is my kind of preparedness. —Caleb Turner
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Why a Key Battery for My 2022 Subaru Forester Is Necessary
I’ve learned that the key battery in my 2022 Subaru Forester is necessary because it keeps the key fob working properly every day. Without a healthy battery, I may not be able to lock or unlock my doors easily, and features like push-button start can become unreliable. It’s a small part, but it plays a big role in making the whole driving experience convenient and smooth.
My key battery also helps me avoid unexpected problems. If the battery gets weak, I might notice reduced range, delayed responses, or even a complete failure when I need to start the vehicle. Replacing it on time gives me peace of mind and helps me avoid being stuck with a key fob that doesn’t work when I’m in a hurry.
I also see it as a simple way to protect my daily routine. A fresh key battery means I can trust my Forester to respond quickly whenever I need it. For me, that makes it an important maintenance item, even though it’s easy to overlook.
My Buying Guides on Key Battery For 2022 Subaru Forester
When I was looking for a replacement key battery for my 2022 Subaru Forester, I realized that choosing the right one is simpler than it first seems, but there are still a few important details to get right. Below is my personal buying guide to help you pick the correct battery without wasting time or money.
1. Check the Battery Type First
For my 2022 Subaru Forester key fob, I found that the most common battery type is a CR2032 3V coin cell. Before buying, I always double-check the old battery or the owner’s manual, because even small differences in size or voltage can make the key fob stop working properly.
2. Look for a Reliable Brand
I prefer buying batteries from brands I trust, such as Panasonic, Energizer, Duracell, or Sony. In my experience, a good brand usually lasts longer and gives more consistent performance than a very cheap generic option.
3. Buy a Fresh Battery, Not Old Stock
One thing I learned is that a battery can lose power even while sitting on a shelf. I always check the expiration date or manufacturing date if it’s available. A fresh battery helps me avoid early replacement and weak key fob performance.
4. Consider Buying a Multi-Pack
I like buying a small pack of key batteries instead of just one. It usually costs less per battery, and I have a spare ready when the next replacement is needed. That saves me a last-minute trip to the store.
5. Make Sure It’s Compatible With Keyless Entry
My Forester key fob depends on a battery that can handle everyday keyless entry use. I make sure the battery is designed for electronic devices like remotes, not just basic low-drain gadgets. That gives me better reliability.
6. Check the Packaging for Authenticity
I always inspect the packaging carefully. If it looks damaged, poorly printed, or suspiciously cheap, I avoid it. Counterfeit batteries can fail quickly and may even leak, so I prefer buying from a reputable retailer.
7. Easy Installation Matters
I also think about how easy it will be to replace the battery. A good battery should fit perfectly and work right away once installed. If I’m not comfortable opening the key fob myself, I’ll choose a battery and then have a dealer, locksmith, or local shop replace it for me.
8. Keep a Backup at Home
Since my key fob is something I use every day, I like keeping one extra battery at home. That way, if the battery dies suddenly, I’m not stuck waiting to buy one.
Final Thoughts
In my experience, the best key battery for a 2022 Subaru Forester is usually a CR2032 3V lithium coin battery from a trusted brand. I always verify compatibility, check freshness, and buy from a reliable seller. Doing those few things makes the whole process easy and helps me keep my Forester key fob working smoothly.
Final Thoughts
In my view, choosing the right battery for a 2022 Subaru Forester comes down to matching the correct size, power, and reliable cold-cranking performance for your driving needs. I always recommend checking the owner’s manual and confirming the battery specifications before buying, since the wrong fit can cause starting or electrical issues. My takeaway is that a quality battery from a trusted brand will help keep the Forester dependable in all kinds of weather.
Author Profile
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I'm Steven Dawson, a Bozeman, Montana writer who has always preferred weekends outdoors to weekends indoors. Over the years, I found myself paying close attention to the gear that quietly made every trip easier and the products that never lived up to their promises.
Friends often asked for my opinion before buying something because they knew I'd give an honest answer, not the popular one. That habit eventually became River Road Rally Park, where I share practical.
First-person thoughts on products I use, compare, or carefully research. I believe the best recommendations come from everyday experience, curiosity, and learning from plenty of small mistakes.
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