What kind of battery does a 2019 Honda Accord key fob take?

The 2019 Honda Accord key fob uses a CR2032 3-volt lithium coin cell. This is the standard replacement battery for most Honda remotes in that generation. This article explains the exact spec, how to replace it, and where to buy replacements.

Battery specifications

Key facts about the replacement battery you should know before purchasing or replacing it.

• Model: CR2032


• Type: 3V lithium coin cell


• Quantity: 1 battery per fob


• Compatibility: Fits the majority of 2018–2022 Honda Accord key fobs

In most regions and configurations, the CR2032 3V lithium coin cell is the authoritative replacement for the 2019 Accord remote. If you have a regional variation or a custom fob, check the back of the battery or the owner’s manual for the exact specification.

Notes on compatibility

Some regional or trim differences may exist, but the CR2032 3V coin cell remains the standard for the 2019 Accord key fob in most markets. If in doubt, verify the model number printed on the existing battery before purchasing a replacement.

Replacement steps

Here’s a straightforward sequence to replace the battery safely and quickly.

1. Remove the mechanical key blade from the fob by sliding the release and pulling it out.


2. Use a small flathead screwdriver or a coin to gently pry open the back cover of the fob along the seam.


3. Remove the old battery from its compartment, noting which side was facing up.


4. Insert the new CR2032 battery with the plus (+) side facing up, ensuring it sits flat.


5. Snap the back cover back into place and reinsert the mechanical key blade.


6. Test the fob by locking/unlocking the doors and, if equipped, triggering the trunk release to confirm functionality. If the fob doesn’t respond, you may need to reprogram it at a dealer or locksmith.

Replacing the battery is a common maintenance item, but if the fob continues to fail after a fresh battery, contact your local Honda dealership or automotive locksmith for assistance on reprogramming or potential fob replacement.

Where to buy replacement batteries

Several convenient options exist for buying CR2032 batteries, whether you want to shop in person or online.

• Local auto parts stores (e.g., AutoZone, O'Reilly Auto Parts, Advance Auto Parts) often stock CR2032 batteries suitable for key fobs.


• General retailers and electronics sections of big-box stores typically carry CR2032 batteries.


• Online retailers (Amazon, battery specialists, or Honda parts websites) offer quick delivery and often bulk options.


• Honda dealerships can supply exact manufacturer-approved batteries and provide replacement services if you’d rather have it done for you.

When buying, ensure you select a fresh battery with a recent manufacture date to maximize longevity and reliability. If you’re unsure of the correct size, bring the fob to the store so staff can confirm the battery type for you.

Care and safety tips

Handle the battery and fob with clean hands, avoid touching the contact surfaces, and dispose of old batteries according to local regulations. If you notice corrosion or leakage on the old battery, replace the unit promptly and inspect the fob for damage before reassembly.

Summary

For a 2019 Honda Accord key fob, the standard replacement battery is a CR2032 3V lithium coin cell. Replacing it is a simple DIY task: remove the cover, swap in a new CR2032 with the correct polarity, reassemble, and test. Replacement batteries are widely available at auto parts stores, electronics retailers, and online, with dealers able to provide manufacturer-approved options and reprogramming if needed.

Can I use CR2032 instead of CR2025 in a key fob?

Fit and Functionality:
However, if it's too tight or prevents the case from closing properly, it might be better to stick with the CR2025 to avoid damaging the key fob. In summary, you can use a CR2032 instead of a CR2025 as long as it fits properly in the battery compartment of your car key.

What battery does my 2019 Honda Accord key fob need?

Key Battery Replacement for Honda Accord (2013-2023 Accord CR2032 3V Remote Battery Pack of 2) Powered by BatteryGuru.

What size battery does my Honda Accord key fob take?

So it doesn't fly out and pry underneath it the two flexible clips will allow it to pop. Out. Now bring in the new battery. When you put it into the key fob.

What size battery does a 2019 key fob take?