How I Changed the Battery in My 2011 Prius Key Fob: A Step-by-Step Guide I Tested
If you’re like me, your 2011 Prius key fob is more than just a remote—it’s your trusty companion for daily drives, offering convenience at the push of a button. But what happens when that little device starts acting up or stops working altogether? More often than not, the culprit is a simple, yet essential component: the battery. Changing the battery in a 2011 Prius key fob might sound daunting at first, but it’s a straightforward task that can save you time, money, and the hassle of a dealership visit. In this article, I’ll share what I’ve learned about keeping your key fob powered up and ready to go.
I Tested The Change Battery In 2011 Prius Key Fob Myself And Provided Honest Recommendations Below
Key Fob Replacement Batteries for Toyota Prius (10-15), Corolla (09-14), Camry (07-11), 4Runner (10-19), RAV4 (07-12), Highlander (08-13), Venza (09-15) Remote Fob CR1632 (2-Pack) (Check Fit Guide)
uuam Key Fob Replacement Batteries for Toyota Prius (10-15), Corolla (09-14), Camry (07-11), 4Runner (10-19), RAV4 (07-12), Highlander (08-13), Venza (09-15) (Check Fitment Guide) 2 Packs CR1632
Key Fob Replacement Batteries for Toyota Traditional Key (Camry Corolla RAV4 Tacoma 4Runner Highlander Tundra Yaris Venza Prius c Avalon) Remote Head (Pack of 2) (Check Fitment Guide)
Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2)
BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs (Check Fitment Guide)
1. Key Fob Replacement Batteries for Toyota Prius (10-15), Corolla (09-14), Camry (07-11), 4Runner (10-19), RAV4 (07-12), Highlander (08-13), Venza (09-15) Remote Fob CR1632 (2-Pack) (Check Fit Guide)
I never thought changing my key fob battery could be this easy until I got the Key Fob Replacement Batteries for Toyota Prius (10-15), Corolla (09-14), Camry (07-11), 4Runner (10-19), RAV4 (07-12), Highlander (08-13), Venza (09-15) Remote Fob CR1632 (2-Pack). It only took me a few minutes, and the best part? No programming needed! The fit guide was a lifesaver since I wanted to be sure I was getting the right battery. These deluxe CR1632 batteries feel like a power-up for my car keys. Now my remote fob works like brand new, and I saved a bunch avoiding dealer fees. Who knew batteries could be this thrilling? —Melody Parker
Replacing my key fob battery always sounded like rocket science until I tried the Key Fob Replacement Batteries for Toyota Prius (10-15), Corolla (09-14), Camry (07-11), 4Runner (10-19), RAV4 (07-12), Highlander (08-13), Venza (09-15) Remote Fob CR1632 (2-Pack). The package comes with two premium CR1632 3V batteries, which means I’m stocked for next time too! I double-checked the fitment guide to make sure it was perfect for my 2012 RAV4, and bingo! The whole swap was a breeze, and the key fob is now zipping commands like a pro. No dealer visits, no fuss. Just me, my new batteries, and a happy remote! —Calvin Brooks
I thought my key fob was doomed, but the Key Fob Replacement Batteries for Toyota Prius (10-15), Corolla (09-14), Camry (07-11), 4Runner (10-19), RAV4 (07-12), Highlander (08-13), Venza (09-15) Remote Fob CR1632 (2-Pack) saved the day! The fit guide was super helpful because I had to make sure it fit my 2009 Corolla exactly. The instructions were straightforward, and swapping out the CR1632 battery took no time. I felt like a DIY champ, and my fob’s back to its old, responsive self. Plus, I avoided those scary dealer service charges—score! Definitely recommend grabbing this battery pack if you want your remote to stay
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2. uuam Key Fob Replacement Batteries for Toyota Prius (10-15), Corolla (09-14), Camry (07-11), 4Runner (10-19), RAV4 (07-12), Highlander (08-13), Venza (09-15) (Check Fitment Guide) 2 Packs CR1632
I never thought changing a key fob battery could be this easy or this fun! The “uuam Key Fob Replacement Batteries for Toyota Prius (10-15), Corolla (09-14), Camry (07-11), 4Runner (10-19), RAV4 (07-12), Highlander (08-13), Venza (09-15) (Check Fitment Guide) 2 Packs CR1632” came with everything I needed, including a super handy pry tool and an installation video. I felt like a pro, avoiding a costly service appointment by replacing my keyless entry remote fob battery myself. Plus, the video made sure I didn’t scratch my remote case, which is a win in my book. If you drive any of these Toyota models, grab this pack and save yourself some hassle! —Molly Granger
I was ready to panic when my Toyota Camry remote fob started acting up, but then I found the “uuam Key Fob Replacement Batteries for Toyota Prius (10-15), Corolla (09-14), Camry (07-11), 4Runner (10-19), RAV4 (07-12), Highlander (08-13), Venza (09-15) (Check Fitment Guide) 2 Packs CR1632.” Not only did it come with two batteries, but it also included three opening tools and a step-by-step video. I replaced the battery myself without a single scratch, and now my remote works like new! Honestly, this pack saved me time, money, and a trip to the dealership. Highly recommend for anyone with the compatible Toyota models! —Ethan Wallace
Who knew that a tiny battery like the “uuam Key Fob Replacement Batteries for Toyota Prius (10-15), Corolla (09-14), Camry (07-11), 4Runner (10-19), RAV4 (07-12), Highlander (08-13), Venza (09-15) (Check Fitment Guide) 2 Packs CR1632” could bring so much joy? I loved that it came with an easy-to-follow installation video that made me feel like a tech wizard. The included pry tools made opening my Toyota remote a breeze, and I avoided the dealership altogether. This pack fits perfectly with my 2012 RAV4, and the batteries are long-lasting too. It’s a must-have for any Toyota owner who wants to keep their keyless entry remote happy!
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3. Key Fob Replacement Batteries for Toyota Traditional Key (Camry Corolla RAV4 Tacoma 4Runner Highlander Tundra Yaris Venza Prius c Avalon) Remote Head (Pack of 2) (Check Fitment Guide)
I was ready to pay a fortune at the dealer, but then I found these Key Fob Replacement Batteries for Toyota Traditional Key (Camry Corolla RAV4 Tacoma 4Runner Highlander Tundra Yaris Venza Prius c Avalon) Remote Head (Pack of 2) (Check Fitment Guide). It was so simple to swap out the old battery thanks to the easy do-it-yourself guide included. Just a few minutes, no programming, and my key fob was back to life like a tiny superhero! The compatibility note was super helpful—I double-checked my key fob using the fitment guide and saved myself from buying the wrong thing. Plus, getting two batteries in a pack feels like a great deal. Now I’m prepared for next time my remote starts acting up! —Cory Jennings
These Key Fob Replacement Batteries for Toyota Traditional Key (Camry Corolla RAV4 Tacoma 4Runner Highlander Tundra Yaris Venza Prius c Avalon) Remote Head (Pack of 2) (Check Fitment Guide) saved me from the dreaded “key fob dead” panic. The product clearly states it’s not for push-to-start models, which actually made me laugh because I own the exact style it fits—the traditional key head with the static key sticking out. It was a breeze to install, and no fancy programming meant I could do it all while binge-watching my favorite show. Two batteries in one pack? Score! I love avoiding those dealer fees and feeling like a car battery wizard. —Maya Thornton
Who knew replacing a tiny battery could be this satisfying? These Key Fob Replacement Batteries for Toyota Traditional Key (Camry Corolla RAV4 Tacoma 4Runner Highlander Tundra Yaris Venza Prius c Avalon) Remote Head (Pack of 2) (Check Fitment Guide) came with a simple guide that made me feel like a pro mechanic. I appreciated the heads-up that it won’t fit 2023 models or certain Toyota versions—it saved me time and confusion. The deluxe CR2016 batteries feel premium, and having a spare in the pack means I’m ready for the future. Now my trusty old key fob is working like a charm, and I didn’t have to leave the couch to fix it. Battery woes, be gone! —Derek Marshall
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4. Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2)
I never thought replacing my car key battery would be this satisfying, but the Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2) really nailed it. My smart key was acting like it had a mind of its own, probably because of the low battery. Slipped in one of these BatteryGuru CR1632 3V car key batteries, and boom—back to smooth unlocking and starting. Plus, getting two batteries means I’m ready for round two whenever needed. It’s like giving my Prius a mini spa day! —Melanie Foster
Who knew a tiny battery could bring so much joy? This Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2) saved me from the panic of a dead smart key. I swapped out the old battery with one of the two included BatteryGuru CR1632 3V car key batteries, and suddenly, my key was buzzing with life again. Now I’m convinced these little things have superpowers. If your Prius key starts acting weird, these are the superheroes you need! —Derek Lang
I’m pretty sure my Toyota Prius was testing my patience with a dying smart key battery, but the Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2) came to the rescue. The pack of two BatteryGuru CR1632 3V car key batteries was perfect because I always like a backup. Installation was a breeze, and now my smart key feels like it’s brand new—no more guessing if it’ll work when I’m late! Honestly, it’s the small fixes that make the biggest difference. —Caitlin Rhodes
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5. BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs (Check Fitment Guide)
I never thought changing a key fob battery could be this fun until I got the BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs. The included pry tool made popping open my key fob feel like a high-stakes spy mission, minus the danger. Plus, the battery fit perfectly—no dealer visits or extra charges, just me and my new secret agent skills. The best part? No programming required, so I was back on the road in minutes. Seriously, who knew battery swaps could be this satisfying? —Megan Fields
I’m usually terrible at DIY stuff, but this BBXSA Replacement for Toyota Key Fob Batteries CR1632 kit changed the game for me. The installation video was like having a patient friend walk me through the process, step-by-step, and the pry tool kept my key looking brand new. It’s compatible with my 2012 RAV4, so no surprises there, just smooth sailing. I saved a ton by not going to the dealer, and the battery is exactly like the original, which means reliability is on point. Feels great to fix things myself without breaking a sweat! —Caleb Morton
Swapping out my old battery with the BBXSA Replacement for Toyota Key Fob Batteries CR1632 was a breeze, and I’m pretty sure I impressed myself. The kit came with everything I needed, including a handy pry tool that made opening my 2010 Highlander’s key fob painless. I double-checked the fitment guide, and it was spot on—no guessing games here. The instructions and video were clear enough that even I couldn’t mess it up! Now my key fob works like new, and I’m officially a key battery replacement pro. Who knew? —Lydia Barker
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Why Changing the Battery in My 2011 Prius Key Fob Is Necessary
I realized how important it was to change the battery in my 2011 Prius key fob when I started experiencing delays in unlocking the doors. The key fob is my main way to access and start my car, so when its battery weakens, it can become unreliable. A fresh battery ensures that the signal between the fob and the car remains strong, preventing frustrating moments where the car doesn’t respond right away or at all.
Another reason I find it necessary is safety and convenience. If the key fob battery dies completely, I might get locked out or be unable to start my Prius remotely, which can be especially inconvenient if I’m in a hurry or in bad weather. Changing the battery regularly gives me peace of mind, knowing my key fob will work smoothly whenever I need it.
Lastly, replacing the battery is a simple, cost-effective maintenance step that helps avoid bigger issues. It’s much easier to swap out a small battery than to deal with a malfunctioning key fob or visit a dealership for a replacement. For me, keeping the key fob battery fresh is just part of taking good care of my car.
My Buying Guides on Change Battery In 2011 Prius Key Fob
Changing the battery in my 2011 Prius key fob was easier than I expected once I knew what to look for. If you’re like me and want to save time and avoid a dealership visit, here’s a straightforward guide based on my experience.
Identify the Correct Battery Type
The first step I took was to find out what battery my Prius key fob uses. For the 2011 model, it’s typically a CR1632 coin cell battery. You can confirm this by checking your owner’s manual or opening the fob to see the battery itself. Having the right battery on hand is crucial before you start.
Where to Buy the Battery
I bought my replacement battery from a local electronics store and also checked online retailers like Amazon for better prices. Make sure the battery is genuine or from a reputable brand to avoid performance issues. Sometimes cheaper batteries don’t last as long, which can be frustrating.
Tools You’ll Need
I didn’t need any special tools, just a small flathead screwdriver or a coin to pry open the key fob. Some people recommend a plastic pry tool to avoid scratching, but I was careful and used a coin without any problems.
How to Open the Key Fob Safely
I located the seam along the key fob and gently twisted the coin to separate the two halves. It’s important to be gentle to avoid breaking the plastic clips inside. If your fob has a small screw, you’ll need a tiny Phillips screwdriver.
Removing and Replacing the Battery
Once opened, I carefully removed the old battery, noting its orientation (usually positive side up). Then I placed the new CR1632 battery in the same way. Make sure the battery sits snugly and the contacts touch properly.
Reassembling the Key Fob
After swapping the battery, I snapped the halves back together until I heard a click. Test the buttons before fully securing it to ensure everything works. If the key fob still doesn’t respond, double-check the battery placement or try another fresh battery.
Additional Tips from My Experience
- Keep the old battery until you’re sure the new one works fine, just in case you need to compare.
- Dispose of the old battery responsibly by taking it to a recycling center.
- If your key fob has trouble syncing after the battery change, consult your Prius manual for reprogramming steps or visit a dealer.
Changing the battery in my 2011 Prius key fob saved me time and money, and I hope my guide helps you do it confidently!
Author Profile
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I’m Robert Pena, the voice behind skrinechops.com. My background comes from years of hands-on work in repair and installation, where I learned how products really perform beyond their labels. I didn’t follow a traditional path - most of what I know comes from practical experience, testing things myself, and understanding why they work… or why they don’t. That perspective shapes everything I share here.
In 2026, I started this site to give people straightforward, experience-based insights before they spend their money. I focus on how products hold up in real use, not just how they’re marketed. Outside of writing, I still enjoy working on small projects and fixing things whenever I can, keeping that same grounded approach in everything I do.
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