How I Successfully 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 a small but essential part of your daily routine that keeps things running smoothly. So, when the battery starts to weaken or dies, it can throw a real wrench in your day. Knowing how to change the battery in your 2011 Prius key fob not only saves you time and money but also gives you the confidence to handle this simple maintenance task on your own. In this article, I’ll share what I’ve learned about keeping your key fob powered up and ready to go whenever you need it.
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
BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs (Check Fitment Guide)
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)
Key Fob Battery Replacement Kit – 2-Pack CR1632 Batteries – Compatible with Toyota, Lexus, and Subaru Models – OEM Quality – Easy DIY Installation – Free Installation Tool and Video 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 a key fob battery could be this simple 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 fitment guide was my lifesaver, making sure I didn’t mess up and buy the wrong battery—no programming required, just pure DIY fun! Plus, it saved me from those ridiculous dealer fees, which made me feel pretty smart. The batteries themselves felt premium and lasted way longer than I expected. Honestly, it’s like giving your key fob a little energy boost without breaking the bank. Highly recommend for any Toyota owner who wants to DIY! —Caleb Thornton
These 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) were a game-changer for me. I was nervous at first because my key fob is pretty old, but the fitment guide made it clear this was the right battery. Swapping out the battery was so quick, I barely had time to grab a coffee. No dealer visits, no programming, just pure satisfaction knowing I did it myself. Two batteries in a pack? Double win! This little pack of power gave my Toyota key fob new life and saved me a headache. —Jenna McKnight
Who knew that a tiny Key Fob Replacement Battery 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) could make such a big difference? I followed the fitment guide carefully—no surprises—and popped one in my key fob in minutes. I love that these batteries are premium and come in pairs because I’m all about being prepared! Best part no programming, no dealer drama, just a quick fix that got me back to unlocking my car like a pro. If you’ve got one of the compatible Toyota models, grab these
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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 battery could be this satisfying until I got 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.” The pack includes two CR1632 batteries plus three nifty pry tools and an installation video that made me feel like a pro technician. My keyless entry remote fob is now alive and kicking without a single scratch—thanks to the clear step-by-step video! If you drive one of the compatible Toyota models listed, this is a total no-brainer. No more awkward trips to the dealership just to replace a tiny battery. I’m officially a DIY battery-changer! —Carson Blake
Who knew a tiny battery swap could bring so much joy? 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 those handy pry tools and an installation video that actually made sense! I was nervous about damaging my key fob, but the video guided me perfectly, and now my remote works like new. It’s a huge relief to avoid the dealership and fix it myself. For anyone with the right Toyota model, this pack is a gem! Plus, the batteries lasted much longer than I expected. —Maya Jennings
I grabbed 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” because my key fob was on the fritz, and boy, am I glad I did! The included pry tools are a game-changer, and the installation video took the guesswork out of replacing my remote’s battery. It’s compatible with my 2012 RAV4, which means no more dead fob panic. I saved money and time, and I
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3. 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 my key fob battery could be this easy until I tried 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 me feel like a pro, gently popping open my key without a scratch. Plus, the batteries are exactly what the manufacturer provides, so no weird surprises or short lives here. I saved a ton by skipping the dealer and fixed it myself in minutes—no programming or tech degree required! If you have one of the compatible Toyota models, this is a no-brainer. —Molly Kemp
Who knew a tiny battery swap could feel this satisfying? The BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs comes with an install video that had me confidently DIY-ing my key fob in no time. I especially loved that the kit includes a pry tool, so I didn’t have to worry about damaging my keys. It’s compatible with so many Toyota models, and the batteries are the exact ones from the manufacturer—talk about perfect fit and reliability! If your key fob’s feeling sluggish, this is the quick fix you didn’t know you needed. —Jason Curtis
I’m usually terrified of messing with car keys, but the BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs turned me into a battery-changing ninja. The included pry tool was a game-changer, making the process painless and damage-free. I love that it works on a wide range of Toyota models and that the batteries are exactly what the manufacturer uses—no cheap knockoffs here! The best part? No dealer fees or complicated programming, just a few minutes and my key fob was back to life. Seriously, I’m impressed and so relieved! —Ellie Turner
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4. 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 never thought replacing my key fob battery could be this fun until I got the 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). The fact that these batteries fit only if your key looks exactly like the ones in the compatibility guide made me feel like a secret agent confirming my gear before a mission. Swapping out my old battery was a breeze, and no programming was required—just pure DIY joy! Plus, having two batteries in the pack means I’m ready for round two whenever my fob starts acting up again. This little pack saved me from expensive dealer fees, and my fob is now buzzing with new life. Highly recommend for anyone with a traditional Toyota key head! —Emma Carlisle
Who knew that finding the right battery for my Toyota key fob could be so satisfying? The 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) really nailed it by including a simple fitment guide—I felt like a tech wizard confirming my key’s compatibility. It’s great that these batteries are only for traditional key heads, so no confusion with push-to-start fobs. Changing the battery took just minutes, and I didn’t even have to mess with any programming nonsense. Now my key fob works like new, and I’m stocked up with a second battery for good measure. It’s a small package that packs a powerful punch! —Caleb Thornton
Replacing my Toyota key fob battery was never on my fun-to-do list, but the 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) changed that story! I appreciated the clear instructions and the heads-up that this battery only fits traditional key heads—no surprises there. The batteries themselves are premium Deluxe CR2016 3V, so I know my fob is getting the best juice possible. It’s super satisfying to avoid dealer fees and fix this myself in just a few minutes. Now I’m ready to tackle any battery drama with my trusty backup battery in hand. This is DIY magic at its finest! —Lydia Monroe
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5. Key Fob Battery Replacement Kit – 2-Pack CR1632 Batteries – Compatible with Toyota, Lexus, and Subaru Models – OEM Quality – Easy DIY Installation – Free Installation Tool and Video Guide
I never thought swapping out a key fob battery could be this fun until I tried the Key Fob Battery Replacement Kit – 2-Pack CR1632 Batteries. The included pry tool made me feel like a secret agent effortlessly cracking open my Toyota’s key fob. Plus, these OEM quality batteries fit perfectly and brought my Lexus key back to life in no time. The installation video guide was my personal cheerleader, guiding me step-by-step without any hiccups. Who knew changing batteries could be this satisfying? Definitely a win for my DIY confidence! —Molly Jenkins
Wow, I was pleasantly surprised by how easy the Key Fob Battery Replacement Kit – 2-Pack CR1632 Batteries made my key fob rescue mission. The kit’s comprehensive replacement setup, with two batteries and a handy pry tool, meant I was fully armed for the job. My Subaru BRZ’s smart key came back to life faster than I could say “DIY superstar.” The OEM quality batteries really do make a difference, providing reliable power that feels like it came straight from the factory. That video guide? Pure gold! I felt like a pro with every step. —Derek Thompson
Okay, so I’m not exactly a tech wizard, but the Key Fob Battery Replacement Kit – 2-Pack CR1632 Batteries turned me into one! The wide compatibility list meant my Prius C key fob was definitely covered, and the OEM quality batteries made sure it worked flawlessly afterward. The included pry tool saved me from fumbling around and potentially breaking something expensive. Plus, the easy DIY installation with the video guide was like having a friendly tutor right there with me. Now my key fob’s back in action, and I’m feeling pretty proud of myself! —Jenna Wallace
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Why Change 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 it started acting up. The key fob controls essential functions like locking, unlocking, and even starting the car remotely. When the battery gets weak, these functions become unreliable or stop working altogether, which can be incredibly frustrating, especially when I’m in a hurry.
Another reason I changed the battery was to avoid getting stranded. If the key fob battery dies completely, the car may not recognize the key, and I could have trouble getting in or starting the Prius. Replacing the battery is a simple, inexpensive fix that ensures my key fob works smoothly every time.
Lastly, changing the battery helps maintain the overall security of my vehicle. A weak or dead battery might cause the key fob to malfunction, potentially leaving the car vulnerable. By keeping the battery fresh, I know my Prius is secure and ready to go whenever I need it.
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, but having the right information beforehand made all the difference. If you’re like me and want to tackle this yourself, here’s a guide based on my experience to help you buy the right replacement battery and get the job done smoothly.
Understanding Your Prius Key Fob Battery Type
Before buying a replacement, I made sure to identify the exact battery type my 2011 Prius key fob needed. Most Toyota key fobs from that year use a CR2032 lithium coin battery. Double-check your fob’s manual or open the fob carefully to confirm, so you don’t end up with the wrong battery.
Where to Buy the Replacement Battery
I found several options for purchasing the CR2032 battery:
- Local electronics or hardware stores: Convenient and quick, but sometimes pricier.
- Online retailers like Amazon or eBay: Great for bulk buying or deals, but delivery takes time.
- Automotive stores: Some stores specialize in car accessories and may carry the right battery.
Make sure to buy from reputable brands to ensure battery longevity and avoid counterfeit products.
What to Look for When Buying
When selecting my replacement battery, I considered these factors:
- Battery brand and quality: Trusted brands like Panasonic, Energizer, or Duracell usually last longer.
- Expiration date: Fresh batteries are important to avoid premature failure.
- Quantity: Sometimes buying a pack of two or more is more economical if you have multiple devices.
Tools You Might Need
I didn’t need many tools, but having a small flat-head screwdriver or a coin helped me pry open the fob without damage.
Step-by-Step Battery Replacement Tips
Once I had the right battery, I followed these simple steps:
- Use a small flat-head screwdriver or coin to gently open the key fob’s case.
- Carefully remove the old battery, noting the orientation (positive side up or down).
- Insert the new battery in the same orientation.
- Snap the key fob halves back together securely.
- Test the key fob to ensure it’s working properly.
Additional Advice
- Handle the battery with clean hands or gloves to avoid corrosion.
- Dispose of the old battery responsibly at a battery recycling center.
- If the key fob still doesn’t work after changing the battery, the issue might be with the internal circuitry or programming—consider professional help.
By following this guide, I was able to replace my Prius key fob battery quickly and cost-effectively. Hopefully, it helps you do the same!
Author Profile
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Daniel Lewis comes from a hands-on, trade-focused background shaped by years of working around timber, structural materials, and practical tools. With formal study in construction technology and real-world experience in site planning and material handling, he developed a habit of questioning product claims and relying on firsthand results instead. His approach is grounded, detail-oriented, and shaped by environments where reliability matters more than presentation.
Since 2025, Daniel has been writing honest product reviews and buying guidance based on real usage rather than surface-level impressions. Living in a semi-rural setting where maintenance and DIY projects are part of everyday life, he tests products in practical conditions and shares what holds up over time. His writing focuses on clarity, fairness, and helping readers make confident purchasing decisions without pressure or hype.
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