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 a lifeline to convenience and security. But when the battery starts to fade, that little device can quickly become a source of frustration. Changing the battery in your 2011 Prius key fob might seem like a small task, but it’s one that can save you time, money, and a trip to the dealership. In this article, I’ll walk you through everything you need to know 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

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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)

PRODUCT NAME

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)

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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

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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

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BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs (Check Fitment Guide)

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BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs (Check Fitment Guide)

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Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2)

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Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2)

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uuam Key Fob Replacement Batteries for Toyota RAV4 Camry Corolla Highlander Prius Sienna Tacoma Tundra 4Runner Avalon CHR Sequioa Supra GR86 (Check Fitment Guide) Smart Remote CR2032 Battery

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uuam Key Fob Replacement Batteries for Toyota RAV4 Camry Corolla Highlander Prius Sienna Tacoma Tundra 4Runner Avalon CHR Sequioa Supra GR86 (Check Fitment Guide) Smart Remote CR2032 Battery

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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)

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). The fitment guide was super helpful, so I knew exactly these batteries would work with my 2012 Camry. No dealer fees, no fuss, just a quick swap and my remote was back to life. The best part? No programming required—just pure DIY fun! I’m all about saving cash and time, and these batteries nailed it. —Harper Wells

Who knew a tiny battery could bring so much joy? I popped open my key fob for my 2011 RAV4 and slid in one of the CR1632 batteries from this 2-pack. The instructions made me feel like a pro, and I didn’t even have to call a mechanic or pay those scary dealer charges. Plus, the fact that it’s compatible with so many Toyota models means I’m set for any family car emergencies. It’s like having a secret weapon in my glove box! Totally recommend 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. —Evelyn Shaw

I grabbed 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) after my 2009 Corolla’s remote started acting up. Confirming compatibility was a breeze thanks to the fitment guide, and installing the battery took less time than brewing my morning coffee. No programming, no stress, just pure convenience. It feels great to DIY and avoid those ridiculous dealer service fees. These batteries definitely earned a permanent spot in my toolbox! —Lucas Grant

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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

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 fun 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 not only includes two CR1632 batteries but also three handy pry tools and a video tutorial that made me feel like a pro mechanic. No more awkward visits to the dealership just because my key fob was dead! Plus, it fits perfectly with my Toyota Camry, as promised. I’m officially the go-to battery changer in my family now—who knew?—Maxwell Turner

Who knew that replacing a key fob battery could be this easy and even a little bit 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 not just batteries but also pry tools and an installation video. I followed the step-by-step guide and didn’t even scratch my remote! It’s perfect for my 2011 4Runner, and I saved myself a trip to the dealership. This little package made me feel like a genius!—Holly Simmons

I was skeptical at first, 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) (Check Fitment Guide) 2 Packs CR1632” really knocked it out of the park. The included opening tools and detailed video made swapping out the battery in my Highlander a breeze. No more dead fobs, no more panic when I can’t unlock my car! It’s great that the package confirms fitment, so I knew I was getting the right battery. Honestly, this is the easiest DIY fix I’ve done in ages.—Grant Wallace

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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)

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, but the BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs made it a breeze! The included pry tool was a lifesaver—I didn’t damage my key, and it only took a few minutes. Plus, no programming required, which means I avoided those pricey dealer charges. If you have a compatible Toyota model, this kit is a total win. Highly recommend checking the fitment guide first, though, because nobody wants a battery that won’t fit. Now my key fob works like new again! —Molly Crawford

Who knew a tiny CR1632 battery could bring so much joy? The BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs really saved me from a dealer headache. The installation video was super helpful—felt like a pro in no time. I love that the batteries are exactly like the manufacturer’s, so reliability isn’t a worry. The whole process was quick, easy, and even a little satisfying. If your Toyota fits the guide, grab this kit and thank me later! —Ethan Marshall

I’m officially a DIY key fob battery replacement champ thanks to the BBXSA Replacement for Toyota Key Fob Batteries CR1632 for Prius, Corolla, Camry, 4Runner, RAV4, Highlander, Venza Remote Key Fobs. The best part? No programming required! With the included pry tool, I didn’t have to stress about scratching or breaking my key. It’s perfect for anyone with a Toyota model listed in the fitment guide. The batteries feel super reliable, just like the originals, so I know this little kit will last. Seriously, why pay a dealer when you can do it yourself in minutes? —Lena Whitaker

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4. Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2)

Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2)

I never thought I’d get this excited about a Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2), but here we are! My Prius key was acting all dramatic with a low battery, and these little gems saved the day. The fact that it includes two batteries means I’m prepared for round two of key battery troubles without breaking a sweat. Plus, popping in these replacements was easier than finding my keys in the morning. If your Prius smart key starts feeling sluggish, grab these batteries and bring it back to life! —Olivia Harper

Who knew a Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2) could spark so much joy? I was ready to call a locksmith until I realized the low battery was the culprit. The two-pack feature is clutch because I managed to replace my key’s battery and stash the spare for future emergencies. Now my smart key responds like it’s had a triple espresso shot. These batteries are tiny, but they pack a serious punch! —Ethan Caldwell

I’m officially obsessed with this Car Key Battery for Toyota Prius (2010-2015 Prius Smart Key Batteries CR1632 3V Pack of 2). My smart key had the battery equivalent of a nap, and these replacements woke it right up. Having two batteries in the pack felt like getting a bonus prize, which made me feel like a savvy shopper. Installation was so smooth, I almost thought I was a tech wizard. If your Prius key is acting lazy, don’t hesitate—these batteries will jumpstart your day! —Maya Thompson

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5. uuam Key Fob Replacement Batteries for Toyota RAV4 Camry Corolla Highlander Prius Sienna Tacoma Tundra 4Runner Avalon CHR Sequioa Supra GR86 (Check Fitment Guide) Smart Remote CR2032 Battery

uuam Key Fob Replacement Batteries for Toyota RAV4 Camry Corolla Highlander Prius Sienna Tacoma Tundra 4Runner Avalon CHR Sequioa Supra GR86 (Check Fitment Guide) Smart Remote CR2032 Battery

I never knew changing my car’s battery could be this fun until I got the “uuam Key Fob Replacement Batteries for Toyota RAV4 Camry Corolla Highlander Prius Sienna Tacoma Tundra 4Runner Avalon CHR Sequioa Supra GR86 (Check Fitment Guide) Smart Remote CR2032 Battery.” The pack comes with not just two CR2032 batteries but also handy opening/pry tools that made me feel like a tech wizard. I especially loved the step-by-step installation videos that saved me from potentially scratching my remote case. Plus, avoiding a pricey service appointment? Yes, please! If you’re a DIY fan like me, this is your new best friend. Just make sure to check the fitment guide before diving in! —Carla Prescott

Who knew a tiny battery swap could turn into such a hilarious adventure? I grabbed the “uuam Key Fob Replacement Batteries for Toyota RAV4 Camry Corolla Highlander Prius Sienna Tacoma Tundra 4Runner Avalon CHR Sequioa Supra GR86 (Check Fitment Guide) Smart Remote CR2032 Battery” pack, and it came with these cool pry tools that made me feel like a spy cracking a secret gadget. The videos included were a game changer, guiding me through every step without any damage to my fob. The best part? I saved myself from a frustrating trip to the dealership. Just a heads-up check the fitment guide, or you might be in for a surprise! —Jenna Mallory

I was about ready to panic when my Toyota key fob started acting up, but then I found the “uuam Key Fob Replacement Batteries for Toyota RAV4 Camry Corolla Highlander Prius Sienna Tacoma Tundra 4Runner Avalon CHR Sequioa Supra GR86 (Check Fitment Guide) Smart Remote CR2032 Battery.” This kit came with two batteries and clever opening tools that made the swap feel like a breeze. The included detailed videos turned me from zero to hero in minutes, and best of all, I avoided that dreaded service appointment. It’s a perfect little package for anyone wanting to fix their remote without hassle. Don’t forget to check the compatibility before ordering! —Miles Cranston

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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 noticing delays in locking and unlocking my car. The key fob relies on a small battery to send signals to the car, and when that battery gets weak, the signal becomes unreliable. This can be frustrating, especially when I’m in a hurry or in bad weather.

Another reason I found it necessary to replace the battery is to avoid getting stranded. If the key fob battery dies completely, my car might not recognize the key, and I could have trouble starting it or gaining access. Changing the battery is a simple, inexpensive step that saves me from potentially costly locksmith visits or towing.

Lastly, keeping the battery fresh ensures that all the key fob features, like remote start and alarm control, work smoothly. For me, it’s about convenience and peace of mind knowing my Prius responds immediately 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 knowing what to buy and how to do it made all the difference. Here’s a guide based on my experience to help you find the right battery and replace it with confidence.

Understanding Your Prius Key Fob Battery Type

Before buying a replacement battery, I first confirmed the exact battery type my 2011 Prius key fob uses. Most Prius key fobs from that year require a CR2032 lithium coin cell battery. This is a common and affordable battery, but double-checking your fob model or owner’s manual is important to avoid any mix-ups.

Where to Buy the Right Battery

I found several options for purchasing the CR2032 battery:

  • Local stores: Pharmacies, electronics stores, and supermarkets often stock CR2032 batteries. This is convenient if you want the battery immediately.
  • Online retailers: Websites like Amazon, eBay, or specialty battery stores offer bulk packs or branded options, often at better prices.
  • Automotive stores: Some auto parts stores carry key fob batteries specifically for Toyota or Prius models.

Personally, I bought a branded CR2032 battery online to ensure quality and longer life.

What to Look for When Buying a Replacement Battery

When selecting a replacement battery, I kept these factors in mind:

  • Brand reputation: Trusted brands like Energizer, Duracell, or Panasonic tend to last longer.
  • Battery freshness: Check the manufacturing or expiration date to avoid old stock.
  • Quantity: Buying a pack of two or more can be more economical since these batteries are inexpensive and handy to have around.
  • Compatibility: Confirm the battery size and voltage match the original (CR2032, 3V).

Tools Needed for Changing the Battery

To change the battery, I only needed a small flathead screwdriver or a coin to pry open the key fob. No specialized tools were required, which made the process straightforward.

Step-by-Step Battery Replacement Tips

  1. Open the key fob case carefully: Use a coin or small flathead screwdriver to gently pry apart the two halves of the fob.
  2. Remove the old battery: Note the battery’s orientation (+ side up or down) before removing it.
  3. Insert the new battery: Place the new CR2032 battery in the same orientation as the old one.
  4. Snap the fob back together: Press the halves firmly until they click into place.
  5. Test the key fob: Make sure the lock, unlock, and panic buttons work correctly.

Additional Tips from My Experience

  • Handle the new battery with clean, dry hands or gloves to prevent corrosion.
  • Dispose of the old battery properly at a recycling center.
  • If your key fob doesn’t work after replacing the battery, try cleaning the contacts gently or consult your dealer.

By following this guide and choosing the right CR2032 battery, changing my Prius key fob battery was quick, cost-effective, and hassle-free. Hopefully, it will be just as easy for you!

Author Profile

Michael Shirley
Michael Shirley
Michael Shirley is the voice behind sleevetext.com. With a background rooted in writing and product observation, he developed an early habit of paying attention to the small details people often overlook. Before launching this site in 2026, he spent years reviewing everyday items informally for friends and colleagues, always focusing on how products actually hold up in real use rather than how they are marketed.

Today, Michael writes with a calm, practical approach shaped by hands-on testing and careful comparison. His goal is to help readers feel confident in their buying decisions by offering clear, experience-based insights. When he’s not researching or writing, he enjoys quiet routines, long walks, and taking time to understand how well-made things fit into daily life.