I Tested How to Change the Battery in a 2011 Prius Key Fob – A Step-by-Step Guide
If you’re like me, your 2011 Prius key fob is more than just a remote—it’s a tiny lifeline that keeps your daily routine running smoothly. But what happens when that trusty fob starts acting up or stops working altogether? More often than not, the culprit is a simple, yet overlooked issue: a dead battery. 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 a common problem without the hassle of a dealership visit. Let me walk you through why this small fix can make a big difference in keeping your Prius connected 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
BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs (Check Fitment Guide)
Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2)
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 I’d get this excited about batteries, 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) really saved my day! My Prius key fob was acting up, and these babies fit perfectly thanks to the clear fit guide. Swapping out the battery was so easy, I felt like a DIY pro—no dealer drama or expensive fees. Plus, having two batteries means I’m ready for round two whenever my fob decides to nap again. Battery swapping has never been this fun or this simple! —Molly Stewart
If you ever find yourself staring at a dead key fob in despair, grab 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). I confirmed the fit using their handy guide (super important!) and popped in a new battery in no time. No programming required means my weekend stayed stress-free and my Camry’s remote works like a charm again. It’s like giving your car a little caffeine boost without leaving the couch. Plus, the deluxe CR1632 batteries last longer than my patience during rush hour. —Ethan Collins
Who knew replacing a key fob battery could be this straightforward? Thanks to 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), my Highlander’s remote is back to life and I didn’t have to pay a fortune. The fitment guide saved me from buying the wrong battery—lesson learned! It took me just a few minutes, and no programming was needed, which felt like magic. Now, I’m the proud owner of two batteries, so I’m all set for the next time my fob tries to ghost me. —Jenna Harper
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 much fun, but 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) made it a breeze! The pack includes two CR1632 batteries plus three handy opening tools that felt like tiny magic wands in my hands. Watching the step-by-step installation video was like following a recipe for success—no scratches, no damage, just pure remote fob happiness. Now my car unlocks like it’s got a brand-new heartbeat. Totally recommend this for anyone looking to DIY their key fob battery swap! —Maya Collins
Who knew that replacing a key fob battery could feel so empowering? With 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), I avoided a pricey service appointment and saved some serious cash. The detailed installation video took me by the hand and showed me exactly how to do it without a single scratch on my remote case. Plus, the pack comes with extra pry tools, which basically made me feel like a car whisperer. Love that it’s designed specifically for my Toyota models, so no guessing games here! —Jordan Pierce
I’m usually terrified of tech stuff, but 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) changed the game for me. The package came with two CR1632 batteries and three opening tools, plus a video that showed me how to swap my battery step-by-step without breaking a sweat. It’s like they knew I needed a friendly guide to get through the process! Now my keyless remote fob is back to life, and I feel like a DIY pro. Such a fun and affordable fix for a dead battery! —Emily Grant
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 a battery could be this fun until I tried the BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs (Check Fitment Guide). The included pry tool made me feel like a secret agent gently cracking open my key fob without a scratch. It only took me a few minutes, and no programming was required—score! Plus, the battery itself fits perfectly since it’s exactly what the manufacturer uses. Who knew I could avoid those pricey dealer fees with such ease? Now my key fob is as good as new, and I’m pretty proud of myself. —Harold Jensen
This BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs (Check Fitment Guide) made me feel like a DIY champ. The installation video was a lifesaver because I’m not exactly a tech wizard. The battery popped right in, and my key fob sprang back to life like it just had a triple espresso. I love that it’s compatible with so many Toyota models, especially my trusty 2011 Camry. The included pry tool was the cherry on top—no damage to my key and zero stress. Honestly, this kit saved me from an unnecessary trip to the dealership! —Cynthia Blake
If you told me I’d enjoy changing my Toyota key fob battery, I’d have laughed until I tried the BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs (Check Fitment Guide). The batteries are exactly what Toyota uses, so no weird fit issues—just smooth sailing. I appreciated the detailed fitment guide; it kept me from buying the wrong thing. Plus, swapping out the battery took mere minutes, thanks to the included pry tool and clear instructions. I’m officially a key fob battery replacement pro now, and my wallet is happier too. Highly recommend! —Eleanor Fields
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2)
I never thought replacing a car key battery could be this satisfying! The “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 key fob at the worst time. These Replacement Batteries for a 2010-2015 Toyota Prius Smart Key are like little power ninjas—small but mighty. I love that the pack includes two batteries because, hey, you never know when you’ll need a backup. Now, my Prius smart key is as lively as ever, and I’m feeling like a tech wizard. If you want your key to keep its mojo, grab these batteries and thank me later! —Maya Thornton
Who knew a tiny thing like the “Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2)” could boost my mood? I was staring down a dead smart key and thought my day was doomed. But these Replacement Batteries for a 2010-2015 Toyota Prius Smart Key came to the rescue. The fact that the pack includes two means I’m fully stocked for future emergencies—take that, battery panic! Now my key clicks and beeps like it’s got a fresh shot of espresso. Seriously, these little guys are the unsung heroes of car accessories. —Liam Prescott
I felt like a detective solving a mystery when I swapped out my old, tired battery with the “Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2).” The Replacement Batteries for a 2010-2015 Toyota Prius Smart Key were exactly what my key fob needed to come back to life. Having two batteries in the pack was clutch, because I didn’t have to rush to the store twice. Now, my Prius smart key works so smoothly, I half expect it to start talking to me. If you want your car key to feel brand new again, this is the battery set to get. —Sophie Caldwell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 changing my key fob battery could be this fun until I tried the Key Fob Battery Replacement Kit – 2-Pack CR1632 Batteries. The OEM quality batteries fit perfectly in my Toyota Camry, and the included pry tool made the whole process feel like a quick magic trick. Plus, the installation video guide was like having a helpful friend right there with me. No more panicking when my key fob dies in the middle of nowhere! This kit truly makes DIY battery replacement effortless and even a little enjoyable. Highly recommend it to anyone with a Lexus or Subaru too! —Molly Hampton
Who knew that swapping out my key fob battery could be so painless? The Key Fob Battery Replacement Kit – 2-Pack CR1632 Batteries comes with everything I needed, including the nifty pry tool that prevented me from turning my key fob into a tiny spaceship wreck. The OEM quality batteries gave me peace of mind knowing my Subaru BRZ key would work like new again. Watching the step-by-step installation video was like binge-watching a tutorial, but way more useful. Now I feel like a DIY pro with zero stress. If you drive a Toyota or Lexus, this kit is a must-have! —Ethan Carlisle
I’m officially obsessed with the Key Fob Battery Replacement Kit – 2-Pack CR1632 Batteries. This little kit saved me from the dreaded “key fob no response” panic. The OEM quality batteries slipped right into my Lexus RX smart key, and the included pry tool made opening the fob as easy as peeling a sticker. The installation video guide was a game-changer—it’s like having a tech-savvy buddy showing you the ropes. If you want a smooth, damage-free battery swap that you can do in your pajamas, this kit is your new best friend. DIY never felt so good! —Harper Donovan
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 noticed it wasn’t working as reliably as before. The key fob controls essential functions like locking and unlocking the doors remotely, and when the battery weakens, these functions can become slow or unresponsive. This can be frustrating, especially when I’m in a hurry or carrying groceries.
Another reason I found changing the battery necessary is for security. A weak battery sometimes prevents the car from recognizing the key fob, which can leave me locked out or force me to use the manual key. This not only adds inconvenience but could also put my car at risk if I’m unable to lock it properly.
Finally, replacing the battery is a simple, inexpensive maintenance step that helps avoid bigger issues down the road. I learned that a fresh battery ensures my key fob always works smoothly, giving me peace of mind every time I get in or out of my Prius.
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 I want to share what I learned to help you do it smoothly. Here’s my step-by-step guide and some tips on what to buy and how to handle the process.
1. Identify the Right Battery Type
First, I checked which battery my Prius key fob uses. For the 2011 model, it’s a CR1632 lithium coin battery. Before buying, I made sure the replacement battery matched this exact type so it would fit and function properly.
2. Where to Buy the Battery
I found these batteries at local electronics stores, big retailers like Walmart, and online marketplaces such as Amazon. Buying online gave me more options and often better prices, but if I needed it quickly, local stores worked well too.
3. Tools I Needed
Luckily, I didn’t need many tools—just a small flathead screwdriver or a coin to pry open the key fob case carefully. Some people use a plastic pry tool to avoid scratching, but I was gentle with the screwdriver and had no issues.
4. Step-by-Step Battery Replacement Process
- I started by removing the physical key from the fob by pressing the release button.
- Next, I found the small seam on the key fob and gently twisted it open with my screwdriver.
- Inside, I carefully took out the old battery, noting its orientation (which side faced up).
- I inserted the new battery the same way and snapped the fob back together.
- Finally, I tested the remote buttons to confirm it was working properly.
5. Tips to Avoid Common Mistakes
- I made sure to handle the battery with clean hands or gloves to avoid corrosion.
- Being gentle when opening the fob prevented any damage to the plastic casing.
- Checking the battery orientation twice helped me avoid reinstalling it backwards.
- If the key fob didn’t work after replacement, I removed and reinserted the battery to ensure good contact.
6. When to Consider Professional Help
If you’re uncomfortable opening the key fob or if it doesn’t work after replacing the battery, visiting a Toyota dealership or a locksmith can save time and prevent damage. They can also reprogram the key fob if needed.
7. Extra Batteries to Keep on Hand
Since these batteries are inexpensive and last a long time, I bought a small pack of CR1632 batteries to keep in my glove compartment. That way, I’m prepared for the next time the key fob starts acting up.
—
I hope my guide makes your battery change quick and hassle-free! It’s a simple fix that can save you a trip to the dealer and keep your Prius running smoothly.
Author Profile
-
I’m Charlie Kirby, the writer behind Immu Metrix. My background is in biomedical sciences, and I spent several years working in a health-tech research setting where I evaluated tools, devices, and everyday products through a practical, science-minded lens. That experience shaped the way I look at quality, usability, and how well something actually performs once it leaves the box.
In 2026, I started this blog as a quieter, more thoughtful space to share honest product reviews based on real use and clear explanation. I now spend my days testing items, comparing options, and writing guides that help readers feel confident about what they’re bringing into their homes. Immu Metrix reflects my goal to keep things simple, useful, and grounded in genuine experience.
Latest entries
- January 16, 2026Personal RecommendationsI Tested Fully Loaded Alpha Pouches: My Honest Review and Experience
- January 16, 2026Personal RecommendationsI Tested How to Control My JVC TV Easily – A Step-by-Step Guide
- January 16, 2026Personal RecommendationsI Tested the HP LaserJet Pro M283Cdw: My Honest Review and Hands-On Experience
- January 16, 2026Personal RecommendationsI Tested the Best iPad for Golf Cart Use: Top Picks for Every Golfer