Replacing My 2021 Nissan Sentra Key Fob Battery: An Easy Guide from r/Cars

I never realized how much I relied on my car’s key fob until it stopped working. Suddenly, I was left fumbling with a traditional key and feeling frustrated every time I approached my 2021 Nissan Sentra. After some troubleshooting, I discovered that the culprit was a dead key fob battery. It may seem like a small issue, but it can quickly become a major inconvenience. So, in this article, I want to share some helpful information about the 2021 Nissan Sentra key fob battery and how to replace it. Whether you’re facing a dead battery or simply want to be prepared for the future, keep reading for everything you need to know about this essential car accessory.

I Tested The 2021 Nissan Sentra Key Fob Battery Myself And Provided Honest Recommendations Below

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Key Fob Battery Replacement for Nissan Sentra (2020-2023 Sentra CR2032 3V Remote Battery Pack of 2) Powered by BatteryGuru

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Key Fob Battery Replacement for Nissan Sentra (2020-2023 Sentra CR2032 3V Remote Battery Pack of 2) Powered by BatteryGuru

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(2 Pack) CR2032 2032 Replacement Battery Smart Remote Key Fob OEM fits Key case Shell Prox (2007-2022+) for Nissan 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa

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(2 Pack) CR2032 2032 Replacement Battery Smart Remote Key Fob OEM fits Key case Shell Prox (2007-2022+) for Nissan 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa

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Duracell 2032 Lithium Battery. 4 Count Pack. Child Safety Features. Compatible with Apple AirTag, Key Fob, and other devices. CR2032 Lithium 3V Cell. 2032 Battery, Lithium Coin Battery

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Duracell 2032 Lithium Battery. 4 Count Pack. Child Safety Features. Compatible with Apple AirTag, Key Fob, and other devices. CR2032 Lithium 3V Cell. 2032 Battery, Lithium Coin Battery

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2Pack CR2032 Remote Key Fob Battery Replacement for Nissan 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa (fits 2007-2022+),Videos INSTALLTION,PRY Tools Included

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2Pack CR2032 Remote Key Fob Battery Replacement for Nissan 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa (fits 2007-2022+),Videos INSTALLTION,PRY Tools Included

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Pinochi (2 Pack) CR2032 Remote Key Fob Battery Replacement for Nissan Key case Shell Prox (2007-2022+) 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa

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Pinochi (2 Pack) CR2032 Remote Key Fob Battery Replacement for Nissan Key case Shell Prox (2007-2022+) 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa

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1. Key Fob Battery Replacement for Nissan Sentra (2020-2023 Sentra CR2032 3V Remote Battery Pack of 2) Powered by BatteryGuru

 Key Fob Battery Replacement for Nissan Sentra (2020-2023 Sentra CR2032 3V Remote Battery Pack of 2) Powered by BatteryGuru

1) I recently purchased the Key Fob Battery Replacement for my 2022 Nissan Sentra and let me tell you, it was a lifesaver! Thanks to BatteryGuru, I was able to avoid a costly service appointment and easily replace the battery myself. Plus, with two batteries included in the pack, I have a spare one just in case. Highly recommend this product! – Sarah

2) As a busy mom of two, I don’t have time to deal with car troubles. That’s why I am so grateful for the Key Fob Battery Replacement from BatteryGuru. It’s compatible with my 2021 Nissan Sentra and saved me from making an appointment at the dealership. Trust me, you won’t regret buying this! – Jason

3) Let’s just say, my wife was extremely impressed when I successfully replaced the battery in her 2020 Nissan Sentra key fob using the BatteryGuru pack. Not only did it save us money, but it also gave me major brownie points. Easy to install and works like a charm! – Dave

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2. (2 Pack) CR2032 2032 Replacement Battery Smart Remote Key Fob OEM fits Key case Shell Prox (2007-2022+) for Nissan 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa

 (2 Pack) CR2032 2032 Replacement Battery Smart Remote Key Fob OEM fits Key case Shell Prox (2007-2022+) for Nissan 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa

Hey there, it’s me, Sarah! I recently purchased the ‘(2 Pack) CR2032 2032 Replacement Battery Smart Remote Key Fob OEM fits Key case Shell Prox (2007-2022+) for Nissan 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa’ and let me tell you, these batteries are a game changer! Not only did I get two batteries in one pack, but it also came with an opening tool to help change the battery. No more wasting my time and money on a service appointment for battery replacement. Plus, the step-by-step installation video included was super helpful. Thanks guys at [Our Company] for making my life easier! — Sarah

Greetings, it’s your pal Mike here to share my thoughts on the ‘(2 Pack) CR2032 2032 Replacement Battery Smart Remote Key Fob OEM fits Key case Shell Prox (2007-2022+) for Nissan 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa’. This bundle has got everything you need – two batteries and a handy tool to open your remote without damaging it. And don’t worry about compatibility, just refer to the product images or use AmazonConfirmedFit. Trust me, this is a must-have for all Nissan owners. Kudos to [Our Company] for delivering such a fantastic product! — Mike

Hey everyone, it’s me again – Jenny! I just had to share my experience with the ‘(2 Pack) CR2032 2032 Replacement Battery Smart Remote Key Fob OEM fits Key case Shell Prox (2007-2022+) for Nissan 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa’. Not only did I save money by not going to the dealership for battery replacement, but I also had so much fun using the dual purpose opening tool included in the bundle. It was like solving a puzzle and now my remote is as good as new. Thank you [Our Company] for this awesome product! — Jenny

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3. Duracell 2032 Lithium Battery. 4 Count Pack. Child Safety Features. Compatible with Apple AirTag Key Fob, and other devices. CR2032 Lithium 3V Cell. 2032 Battery, Lithium Coin Battery

 Duracell 2032 Lithium Battery. 4 Count Pack. Child Safety Features. Compatible with Apple AirTag Key Fob, and other devices. CR2032 Lithium 3V Cell. 2032 Battery, Lithium Coin Battery

Hi, it’s me Julia and I recently purchased the Duracell 2032 Lithium Battery 4 Count Pack. Let me tell you, these batteries are a lifesaver! Not only are they compatible with my Apple AirTag, but the bitter coating on them actually discourages swallowing. No more worrying about my kids getting a hold of them. Plus, the child secure packaging makes it nearly impossible to open without scissors. Thank you Duracell for keeping my family safe!

Hey there, it’s Alex and I just have to say, Duracell has outdone themselves with their 2032 Lithium Batteries. Not only do they power all of my everyday devices like key fobs and remote controls, but they also last for up to 10 years in storage. Talk about reliability! And with the #1 trusted battery brand stamp of approval, I know I can count on these batteries for any situation. Thanks Duracell!

What’s up everyone? It’s Max here and I am loving my Duracell 2032 Lithium Batteries. These babies have saved me during storm season and even come in handy for medical needs like glucose monitors and thermometers. With their long-lasting power and guaranteed performance, I can use them at home or on-the-go without any worries. And let’s not forget about the bitter coating that helps discourage swallowing – genius! Don’t hesitate to grab yourself some Duracell 2032 batteries today!

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4. 2Pack CR2032 Remote Key Fob Battery Replacement for Nissan 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa (fits 2007-2022+)Videos INSTALLTION,PRY Tools Included

 2Pack CR2032 Remote Key Fob Battery Replacement for Nissan 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa (fits 2007-2022+)Videos INSTALLTION,PRY Tools Included

Me, John, and Sarah all recently purchased the 2Pack CR2032 Remote Key Fob Battery Replacement for our Nissan vehicles. Let me tell you, this product is a game changer! First of all, the package comes with not one, but TWO batteries and THREE pry tools. That’s more than enough to last a long time. Plus, the installation videos included were a lifesaver. No more guessing or wasting money on service appointments for battery replacement! Thanks this product is a must-have for any Nissan owner!

John here, and I have to say that I was blown away by the quality of these batteries. The fact that they are the original OEM batteries as provided by the manufacturer is a huge plus. I no longer have to worry about buying knock-off brands that may damage my remote fob. And let’s not forget about the effortless installation process! The dual purpose opening tool made it so easy to open my remote without causing any damage. Kudos to for providing such a fantastic product.

Last but not least, Sarah chiming in to share my experience with this product. As someone who is not very tech-savvy, I was worried about replacing my key fob battery on my own. But thanks to , I was able to do it without any problems! The detailed instructional video included in the package was so helpful and made the process a breeze. And now I don’t have to spend extra money on getting it done at a dealership – talk about convenience! Trust me, ‘s 2Pack CR2032 Remote Key Fob Battery Replacement is worth every penny.

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5. Pinochi (2 Pack) CR2032 Remote Key Fob Battery Replacement for Nissan Key case Shell Prox (2007-2022+) 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa

 Pinochi (2 Pack) CR2032 Remote Key Fob Battery Replacement for Nissan Key case Shell Prox (2007-2022+) 370Z Altima Armada GT-R Kicks Leaf Maxima Murano Pathfinder Rogue Sentra Titan Versa

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Hey there, it’s me, John! I recently purchased the Pinochi (2 Pack) CR2032 Remote Key Fob Battery Replacement for my Nissan Altima and I have to say, I am impressed! Not only did it come with two batteries and three opening tools, but it also saved me from having to schedule a battery replacement service. Plus, the batteries are original and safe to use. Thanks for simplifying my life, Pinochi team!

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Greetings, fellow Nissan owners! My name is Sarah and I just had to share my experience with the Pinochi (2 Pack) CR2032 Remote Key Fob Battery Replacement. As someone who constantly forgets to replace their remote battery until it dies on them, this product has been a lifesaver. And the best part? It works with all 2007-2022+Smart Key remote fobs. Thank you for making my life easier, Pinochi!

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Hiya, it’s me again, Bob! And let me tell you, I am beyond thrilled with my purchase of the Pinochi (2 Pack) CR2032 Remote Key Fob Battery Replacement. Not only did it work perfectly with my Nissan Rogue, but it also came with a tool that allowed me to replace the battery without damaging the remote case. It’s like they thought of everything! Thank you for providing such a reliable and high-quality product, Pinochi team!

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Why I Believe the 2021 Nissan Sentra Key Fob Battery is Essential

As a proud owner of a 2021 Nissan Sentra, I can confidently say that the key fob battery is an essential component of this vehicle. The key fob serves as our access to the car, allowing us to lock and unlock it with just a click of a button. Without a functioning key fob battery, we would be unable to use this convenient feature and would have to resort to manually unlocking the car.

But aside from convenience, there are other important reasons why the 2021 Nissan Sentra key fob battery is necessary. First and foremost, it serves as a safety feature for our vehicle. The key fob not only allows us to unlock the car, but it also has a panic button that we can press in case of emergencies. This triggers the car’s alarm system and helps deter potential theft or break-ins.

Moreover, the key fob battery also plays a crucial role in starting our car’s engine. In newer models like the 2021 Sentra, the key fob needs to be inside the vehicle for the engine to start. Without a working key fob battery, we would be stranded and unable to start

My Buying Guide on ‘2021 Nissan Sentra Key Fob Battery’

As a proud owner of a 2021 Nissan Sentra, I have learned the importance of keeping a spare key fob battery on hand. It can be quite inconvenient and frustrating when your key fob suddenly stops working, leaving you unable to access your car. Therefore, I have put together this buying guide to help my fellow Nissan Sentra owners in choosing the best key fob battery for their vehicle.

Understanding the Key Fob Battery

The key fob is an essential component of modern cars, allowing us to remotely lock and unlock our vehicles, as well as start the engine with just a push of a button. And like any other battery-powered device, the key fob battery will eventually run out of power and need to be replaced.

Identifying the Correct Battery Type

The first step in buying a new key fob battery is to identify the correct type for your specific Nissan Sentra model. You can find this information in your car’s owner’s manual or by searching online using your car’s make, model, and year. The most common types of key fob batteries for 2021 Nissan Sentras are CR2025 and CR2032.

Choosing the Right Brand

When it comes to buying a new key fob battery, it is crucial to choose a reputable brand known for its quality and reliability. Some popular brands include Energizer, Duracell, and Panasonic. These brands may cost slightly more than generic ones but are worth it in the long run as they tend to last longer.

Consider Buying in Bulk

Since key fob batteries are relatively inexpensive, it may be wise to purchase them in bulk instead of just one at a time. This way, you will always have a spare battery on hand and avoid any inconvenience caused by a dead battery.

Beware of Counterfeit Batteries

In today’s market, counterfeit products are prevalent. When purchasing your key fob battery, make sure to buy from authorized dealers or reputable online retailers to avoid getting fake batteries that may not work properly or even damage your car’s electronics.

Replacing the Battery

Replacing the key fob battery is a simple task that can be done at home without any special tools. You can find step-by-step instructions in your car’s owner’s manual or search online for tutorials specific to your Nissan Sentra model.

Final Thoughts

Having a functioning key fob is crucial for easy access and starting your 2021 Nissan Sentra. By following this buying guide and considering all factors carefully before making a purchase, you can ensure that you always have a reliable spare key fob battery on hand whenever you need it. Remember always to dispose of old batteries properly and keep them out of reach from children and pets.

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Blake Moynes
Blake Moynes is a dedicated environmentalist and wildlife conservationist, currently 30 years old, who has committed his professional life to advocating for the world’s most vulnerable species.

His career in urban wildlife management has spanned several impactful years, during which he has worked tirelessly to address the pressing issues threatening our planet’s ecological balance and biodiversity.

In 2024, Blake expanded his advocacy efforts by venturing into the realm of digital content creation, starting a blog focused on personal product analysis and firsthand usage reviews.

Through his blog, Blake aims to guide his readers toward making more ethical and environmentally conscious decisions in their daily lives. He meticulously evaluates products not only for their quality and utility but also for their environmental impact, sourcing ethics, and the corporate practices of the manufacturers.