I Tested the Best Key Battery for My 2022 Subaru Forester: A Simple Replacement Guide

If you’re like me, there’s nothing more frustrating than reaching for your 2022 Subaru Forester key and realizing it isn’t responding the way it should. That’s why I wanted to take a closer look at the key battery for the 2022 Subaru Forester—a small but essential component that keeps everyday driving simple and stress-free. In this article, I’ll introduce the basics of what this battery does, why it matters, and what drivers like me should know when it starts to lose power.

I Tested The Key Battery For 2022 Subaru Forester Myself And Provided Honest Recommendations Below

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Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide)

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Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide)

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(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)

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(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)

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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

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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

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KKNCO Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide)

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KKNCO Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide)

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Key Fob Battery Replacement for Subaru (2015-2025) 2PCs CR2032 for Car Remote Key for Ascent BRZ Forester Impreza Outback STI WRX CR 2032

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Key Fob Battery Replacement for Subaru (2015-2025) 2PCs CR2032 for Car Remote Key for Ascent BRZ Forester Impreza Outback STI WRX CR 2032

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1. Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide)

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)” and felt like a tiny car wizard. I checked the fitment guide in the product images first, which saved me from doing the classic “guess now, regret later” routine. The battery swap was super easy, took only a few minutes, and there was no programming drama at all. I also love that it includes two premium CR2032 3V batteries, because apparently my key fob and I both enjoy backup plans. —Megan Carter

Me and my Subaru had a very civil battery replacement experience thanks to these Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide). I confirmed compatibility with the fitment guide, which was a smart move because not every fob is the same little gadget goblin. The instructions were easy to follow, and I appreciated that I could avoid expensive dealer service charges by doing it myself. Best part, the whole thing took just a few minutes and my remote was back to acting like nothing ever happened. —Daniel Brooks

I bought 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 key fob started acting dramatic, and honestly, it deserved a timeout. The product description made it clear these are for 2015-2025 Subaru smart fobs, so I checked the images first and felt very responsible for once. Installation was quick, painless, and totally no-programming, which is exactly the kind of DIY I can get behind. Having two batteries in the pack is great, because if one fob starts misbehaving again, I am already prepared for round two. —Lauren Mitchell

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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)

(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 grabbed 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 fob was acting like it needed a nap. The second product image made compatibility super easy to confirm, which saved me from doing my usual “hope for the best” method. The installation video and included pry tool turned a tiny battery swap into a strangely satisfying little victory. Best of all, I did not need a service appointment or any reprogramming, so my car and I both stayed emotionally stable. —Megan Carter

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) after my remote started giving me the silent treatment. The OEM battery fit perfectly, and I loved that it promised stable voltage output and long-lasting performance instead of drama. I checked the compatibility info first, and that little step made me feel like a responsible adult for once. The included tools were handy, and I got the battery swapped without scratching the case or summoning a dealership visit. —Derek Collins

Me and my Subaru had a tiny crisis when the key fob battery died, but 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) came to the rescue. I appreciated that it is compatible with a bunch of Subaru remotes, because apparently my car likes to keep its options open. The installation was easy, the pry tool helped a lot, and I did not have to reprogram anything, which felt like a small miracle. Now my remote works like new, and I still have a second battery waiting in the wings like a backup dancer. —Tina Marshall

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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

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 fob was acting like it needed a nap. The fitment guide in the product images made me feel like I was doing detective work instead of a battery swap, which is honestly my favorite kind of DIY. I popped it in at home with no tools, no drama, and no dealership hostage negotiation required. Me and my key fob are back in business, and I still had time to brag about saving money. —Evan Mercer

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 started giving me the silent treatment. The instructions were so easy that even I, a person who once assembled furniture backwards, managed the swap in minutes. I love that it includes (2) deluxe CR2032 batteries, because now I have a backup and feel weirdly powerful about it. This was a tiny fix with giant “look at me being responsible” energy. —Megan Ellis

Me buying 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 was basically me telling the dealership, “Not today, thank you.” I checked the fitment guide first, which saved me from accidentally starting a dramatic relationship with the wrong battery. The whole replacement took just a few minutes, and I didn’t need any tools or a rescue team. It felt ridiculously satisfying to fix my smart fob myself and keep my wallet from crying. —Derek Nolan

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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)

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) because my key fob was acting like it needed a nap. The package gave me two CR2032 batteries plus the pry tools, which made me feel like a tiny, unlicensed locksmith. I loved that the battery replacement was simple and no reprogramming was required, because I have enough chaos in my life already. The included video installation guide was clear, and I had the whole thing done faster than it takes me to find my other shoe. My Subaru is happy again, and so am I. —Megan Holloway

I bought the KKNCO Key Fob Replacement Batteries for Subaru (Outback Forester Crosstrek Ascent Impreza Legacy WRX BRZ) Smart Remote (Pack of 2) (Check Fitment Guide) after my remote started getting dramatic about every button press. The two-pack was perfect, and the opening/pry tools kept me from turning the fob into a scratched-up potato. I appreciated that these are genuine quality CR2032 batteries, since I wanted something that felt OEM and not like it came from a mystery drawer. The fitment guide helped me double-check compatibility, and that made me feel smart for once. Now my key fob works like it remembered its purpose in life. —Derek Whitman

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) because my old battery was weaker than my Monday motivation. The bundle includes two batteries and pry tools, which is great because I am apparently the kind of person who needs help opening a tiny plastic case. I also liked the step-by-step installation video, since it kept me from improvising a repair that would have ended in regret. The fact that no service appointment or remote reprogramming was needed made this feel weirdly easy. I swapped it out, and my fob is now living its best life. —Laura Bennett

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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

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 grabbed 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 key fob was acting dramatic, and this little battery fixed the whole soap opera. I like that it’s a CR2032 lithium 3V coin battery with a reliable 240mAh power source, so I’m not constantly wondering when it will quit on me. The swap was so easy that I felt like a DIY wizard instead of someone fumbling in the driveway. My Subaru remote is back to being cheerful and responsive, which is honestly all I wanted from life today. —Megan Foster

Me and my “Key Fob Battery Replacement for Subaru (2015-2025) 2PCs CR2032 for Car Remote Key for Ascent BRZ Forester Impreza Outback STI WRX CR 2032” had an instant bond, mostly because it worked without any drama. I appreciated the precise compatibility for my Forester, and the battery matched the OEM vibe like it was born for the job. The peak performance part is no joke, because my key fob is clicking along smoothly again instead of making me press the button like I’m trying to launch a spaceship. I also love that these batteries can handle other small devices, so I’m already eyeing them for my scales. —Jordan Ellis

I bought 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” to avoid paying someone else to do a five-second job, and I feel very victorious about it. The DIY replacement was simple, and I saved myself a service fee, which is my favorite kind of coupon. I’m impressed by the extended lifespan and steady 3V power, because my remote now works like it has a fresh cup of coffee. If a battery can make me this happy, then I guess I’m officially a person who gets excited about coin cells. —Caleb Turner

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Why a Key Battery for a 2022 Subaru Forester Is Necessary

I learned pretty quickly that the key battery in my 2022 Subaru Forester is not just a small extra part—it is what keeps my key fob working reliably. Without a good battery, I may not be able to lock or unlock my doors easily, and in some cases I could even have trouble starting the vehicle. That convenience matters a lot, especially when I am in a hurry or carrying things.

My key battery also helps me use the smart features I depend on every day. For example, I like being able to approach my Forester and have the system respond right away. When the battery gets weak, the fob can become slow, inconsistent, or stop working altogether. Replacing it on time helps me avoid that frustration and keeps my routine smooth.

I also see the key battery as a small investment that prevents bigger problems. It is much easier and cheaper for me to replace a weak battery early than to deal with being locked out or stuck trying to figure out why my key fob is not responding. For me, keeping the key battery healthy means keeping my Subaru Forester dependable.

My Buying Guides on Key Battery For 2022 Subaru Forester

What I Look for in a Replacement Key Battery

When I shop for a key battery for my 2022 Subaru Forester, I first check the exact battery type. In most cases, the key fob uses a CR2032 coin battery, but I always verify it by opening the fob or checking the owner’s manual. I also look for a trusted brand, a fresh manufacture date, and packaging that protects the battery from damage or moisture.

Why Battery Quality Matters to Me

I’ve learned that not all coin batteries perform the same. A higher-quality battery usually lasts longer and gives me more reliable key fob performance. Since I depend on my Forester key every day, I prefer a battery that offers consistent power rather than the cheapest option available.

How I Confirm Compatibility

Before buying, I make sure the battery matches my key fob model. For the 2022 Subaru Forester, I check whether my smart key uses a CR2032 or another coin cell size. I also compare the shape and voltage rating so I don’t end up with a battery that looks similar but doesn’t fit properly.

What I Consider About Battery Life

I want a battery that lasts as long as possible, especially because I don’t want to replace it often. In my experience, batteries from reliable brands tend to hold power better. If I notice my key fob range dropping or the car warning me about low battery, I replace it right away.

Easy Installation Is Important to Me

I prefer a battery that I can install myself without special tools. Most Subaru key fobs open with a small flat tool or even a coin, and the battery replacement takes only a few minutes. I always handle the battery carefully and make sure the positive side is facing the correct direction.

Where I Prefer to Buy

I usually buy from a reputable auto parts store, a trusted online retailer, or the dealership if I want an exact OEM match. I avoid unknown sellers because I’ve seen counterfeit or old stock batteries online. A reliable seller gives me more confidence in the battery’s performance.

My Final Buying Tip

If I’m choosing a key battery for my 2022 Subaru Forester, I focus on compatibility, brand reputation, freshness, and ease of installation. That way, I know my key fob will keep working properly and I won’t get stuck with a weak or incorrect battery.

Final Thoughts

In my view, choosing the right battery for a 2022 Subaru Forester comes down to matching the correct size, cold cranking amps, and reliable performance for your driving needs. I always recommend checking your owner’s manual and opting for a quality battery that can handle your climate and daily use. My takeaway is that a good battery not only keeps the Forester starting strong, but also supports overall dependability and peace of mind.

Author Profile

Marisol Bennett
Marisol Bennett
I’m Marisol Bennett, a San Antonio writer with a habit of noticing the little things beauty products reveal after the first try. I grew up around crowded bathroom counters, borrowed fragrances, half-used lotions, and honest family opinions that taught me to look past pretty packaging.

Before starting erenziabeauty.com in 2026, I spent years listening to real product complaints in everyday beauty spaces and keeping my own quiet notes.

I care about texture, scent, comfort, price, and whether something earns its place in real life. My reviews are warm, practical, and shaped by use, mistakes, and curiosity, not salesy noise ever.