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Nissan Sentra Key Fob Battery Replacement

2000-2022 Models

This vehicle has multiple key fob types. Select your key below.
Most Common

Smart Key Fob

2000-2022 Nissan Sentra Smart Key Fob
Battery Type
CR2025
Buy CR2025 on Amazon
✓ OEM Compatible
✓ Free Prime Shipping
Nissan Sentra Smart Key Fob Battery Replacement Video
FCC ID: KBRASTU10, NHVBU427, KBRASTU09
Replacement Steps for Smart Key Fob
Locate the small notch on the side of the key fob. Insert the screwdriver into the notch and gently pry the fob open. Remove the old battery & insert new battery with the plus side facing down. Snap the two halves of the fob back together until they are secure.
Alternative

Smart Key Fob

2000-2022 Nissan Sentra Smart Key Fob
Battery Type
CR2025
Buy CR2025 on Amazon
✓ OEM Compatible
✓ Free Prime Shipping
Nissan Sentra Smart Key Fob Battery Replacement Video
FCC ID: KBRASTU15, CWTWB1U415, CWTWB1U733, CWTWB1U821
Replacement Steps for Smart Key Fob
Insert a flat head screwdriver into the notch on the bottom of the key fob and twist it gently to pry the case open. Use the screwdriver to carefully pry up the battery. Place the new battery in with the plus side down, making sure it clicks into place. Squeeze the two halves of the key fob back together and you're all set!
Alternative

Smart Key Fob

2000-2022 Nissan Sentra Smart Key Fob
Battery Type
CR2032 or CR2025
Buy CR2032 or CR2025 on Amazon
✓ OEM Compatible
✓ Free Prime Shipping
Nissan Sentra Smart Key Fob Battery Replacement Video
FCC ID: CWTWBU624, CWTWB1U825, CWTWB1U773, CWTWB1U808, KR55WK49622, KR55WK48903, CWTWB1U840, KR5S180144014, CWTWB1U787, KR5TXN1, KR5TXN7, KR5S180144106, KR5TXN4, CWTWBU735, CWTWB1U789
Replacement Steps for Smart Key Fob
Remove Spare Key: Slide the release button on the back of the fob and pull out the emergency key. Open Case: Insert a pry tool or small screwdriver into the seam where the two halves meet and gently separate them. Remove Old Battery: Use the tip of the spare key to pop out the old battery. Insert New Battery: Place a new CR2032 battery into the slot with the lettering face down. Reassemble: Snap the two halves of the fob back together until secure, then slide the spare key back in.
Alternative

Remote Head Key

2000-2022 Nissan Sentra Remote Head Key
Battery Type
CR2016
Buy CR2016 on Amazon
✓ OEM Compatible
✓ Free Prime Shipping
Nissan Sentra Remote Head Key Battery Replacement Video
FCC ID: CWTWB1U751, X32-NSHKG020
Replacement Steps for Remote Head Key
Remove the Screw: On the back of the key fob, use your Phillips screwdriver to remove the small screw. Set it aside carefully so you don't lose it Open the Casing: Locate the tiny slot on the side of the fob. Insert your flat-blade screwdriver into the slot and give it a twist to separate the two halves Replace the Battery: Use a small tool (like your Phillips screwdriver) to wedge out the old battery. Insert the new 1620 battery with the positive (+) side facing downward Reassemble: Squeeze the two halves of the fob back together firmly until they click Secure the Screw: Put the screw back into the hole on the back and tighten it. Your key fob is now ready to use and does not require reprogramming

Frequently Asked Questions

What battery does a Nissan Sentra key fob use?

The 2000-2022 Nissan Sentra key fob uses a CR2025 3-volt lithium coin battery. This is a standard battery available at most grocery stores, pharmacies, and online retailers.

How do I know if my Nissan Sentra key fob battery is dying?

Signs your Nissan Sentra key fob battery is dying include: reduced range (having to get closer to unlock), intermittent button response, delayed unlocking, the low battery warning on your dashboard, or buttons requiring multiple presses to work.

How long does a Nissan Sentra key fob battery last?

A Nissan Sentra key fob battery typically lasts 2-4 years depending on usage. Frequent use, extreme temperatures, and proximity to electronic devices can shorten battery life.

Can I replace my Nissan Sentra key fob battery myself?

Yes, replacing a Nissan Sentra key fob battery is a simple DIY task that takes under 5 minutes. You only need a new CR2025 battery and optionally a small flathead screwdriver. No dealer visit or programming is required.

Do I need to reprogram my key fob after replacing the battery?

No, you do not need to reprogram your Nissan Sentra key fob after replacing the battery. The fob retains its programming during battery changes. Simply insert the new battery and test the buttons.

Where can I buy a CR2025 battery?

CR2025 batteries are available at Walmart, Target, CVS, Walgreens, Amazon, auto parts stores like AutoZone and O'Reilly, and most grocery stores. They typically cost $6-12 for a 2-pack.

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