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Honda Accord Key Fob Battery Replacement

1994-2022 Models

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

Smart Key Fob

1994-2022 Honda Accord Smart Key Fob
Battery Type
CR2032
Buy CR2032 on Amazon
✓ OEM Compatible
✓ Free Prime Shipping
Honda Accord Smart Key Fob Battery Replacement Video
FCC ID: KR5V2X V41, KR5V2X V40, KR5V1X, KR5T4X, KR5V2X V43, ACJ932HK1210A, CWTWB1G0090, A2C97488400, ACJ932HK1210A
Replacement Steps for Smart Key Fob
Remove Key: Locate the small slider on the back/bottom of the key, slide it, and pull out the metal emergency key. Open Compartment: Insert the tip of the emergency key into the narrow, rectangular opening to release the battery tray. Replace Batteries: Pull out the black battery tray, remove the old batteries, and insert two new CR2025 batteries with the positive side facing up. Reassemble: Slide the tray back into the fob until it clicks into place.
Alternative

Remote Head Key

1994-2022 Honda Accord Remote Head Key
Battery Type
CR1616
Buy CR1616 on Amazon
✓ OEM Compatible
✓ Free Prime Shipping
Honda Accord Remote Head Key Battery Replacement Video
FCC ID: OUCG8D-380H-A, KR55WK49308
Replacement Steps for Remote Head Key
Remove the small screw: Use a PH0 size Phillips screwdriver to remove the single small screw located on the back of the key fob. Remove the back cover: Pull the back cover off to reveal the internal electronics board. Open the electronics case: Locate the tabs on the side of the internal electronics board. Use your fingernails to pry the case open from the bottom. Pop out the old battery: This key uses a CR1616 battery. Use a small flat-head screwdriver to pop the battery out, following the direction of the arrow indicated on the plastic. Install the new battery: Slide the new CR1616 battery into place. It works best to tuck it under the two small tabs first and then snap it down under the third tab. Reassemble the electronics board: Place the cover back over the electronics board and ensure the top and bottom tabs clip securely into place. Reinstall the board and cover: Place the electronics board face-down back into the key. Align the back cover by setting it into the ledge at the top first, then snap it down. Secure the screw: Replace the small Phillips screw to finish the job.
Alternative

Remote Head Key

1994-2022 Honda Accord Remote Head Key
Battery Type
CR2025
Buy CR2025 on Amazon
✓ OEM Compatible
✓ Free Prime Shipping
Honda Accord Remote Head Key Battery Replacement Video
FCC ID: A269ZUA106, A269ZUA101
Replacement Steps for Remote Head Key
Open the Fob: Locate the small notch or seam at the bottom of the key fob. Use a small flathead screwdriver or a plastic pry tool to gently separate the two halves of the casing. Access the Battery: Once the case is open, carefully remove the internal electronics board. Be gentle to avoid damaging the components. Remove the Old Battery: This fob uses a CR2025 battery. Use your screwdriver to gently pop the battery out from its clip. Install the New Battery: Place the new CR2025 battery into the holder with the positive (+) side facing up (the side with the text). Note: Ensure the metal clips are still securely attached/soldered to the board. Reassemble: Place the electronics board back into the bottom half of the casing, align the two halves, and snap them back together until they click.

Frequently Asked Questions

What battery does a Honda Accord key fob use?

The 1994-2022 Honda Accord key fob uses a CR2032 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 Honda Accord key fob battery is dying?

Signs your Honda Accord 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 Honda Accord key fob battery last?

A Honda Accord 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 Honda Accord key fob battery myself?

Yes, replacing a Honda Accord key fob battery is a simple DIY task that takes under 5 minutes. You only need a new CR2032 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 Honda Accord 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 CR2032 battery?

CR2032 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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