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Honda Civic Key Fob Battery Replacement

2014-2021 Models

Most Common

Smart Key Fob

2014-2021 Honda Civic Smart Key Fob
Battery Type
CR2032
Buy CR2032 on Amazon
✓ OEM Compatible
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Honda Civic 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 the spare key: On the back of the fob, slide the release button to the right and pull out the emergency spare key Pry open the case: Look inside the slot where the spare key was. Insert the tip of the spare key between the two plastic blocks inside and twist or pry to "crack" the case open Remove the old battery: This fob uses a CR2032 battery. You can use a small screwdriver or the spare key to gently pry the battery up from the bottom Install the new battery: Place the new CR2032 battery into the slot and snap it into place Reassemble the fob: Align the two halves of the key fob and press them together until they snap shut Reinsert the spare key: Slide the emergency key back into the fob until it clicks

Frequently Asked Questions

What battery does a Honda Civic key fob use?

The 2014-2021 Honda Civic 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 Civic key fob battery is dying?

Signs your Honda Civic 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 Civic key fob battery last?

A Honda Civic 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 Civic key fob battery myself?

Yes, replacing a Honda Civic 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 Civic 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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