The 2014 Honda Civic key fob uses a CR2032 3-volt lithium coin cell. This is the standard battery type for the remote in that model year, and replacement is inexpensive and widely available.
In this article, we outline the exact battery specification, where to buy it, how to replace it, and tips to keep the fob functioning reliably.
Battery type and compatibility
Here is a quick reference to the standard battery for the 2014 Civic key fob, along with basic specs and purchasing guidance.
- Battery type: CR2032, 3V lithium coin cell
- Dimensions: 20 mm diameter, 3.2 mm thick
- Common availability: auto parts stores, electronics retailers, big-box stores, and online sellers
- Typical price: roughly $1–$5 per battery
With the correct coin cell installed, the remote should operate normally for many months to a year or more, depending on usage.
Replacing the battery
To replace the battery, follow these step-by-step instructions. A careful approach helps avoid damaging the fob.
- Separate the two halves of the fob along the seam using a small flat-head screwdriver or a thin prying tool. Work gently to avoid cracking the casing.
- Remove the old battery and note its orientation; the positive side is usually facing up toward you.
- Insert the new CR2032 with the positive side facing up and ensure it sits flat against the contacts.
- Reassemble the fob by snapping the halves back together until they click securely.
- Test the fob by pressing the lock/unlock or trunk button from a short distance to confirm it’s working.
Replacing the battery is a straightforward maintenance task that can be done in minutes. Handle components carefully to prevent damage to the internal electronics.
Re-synchronizing or troubleshooting
For most 2014 Civics, replacing the battery does not require reprogramming. If the fob doesn’t work after replacement, double-check the battery orientation and seating, try the spare key to rule out a car-wide issue, and inspect for corrosion or residue inside the case. If problems persist, a dealer or automotive locksmith can reprogram or replace the fob.
Summary
Bottom line: use a CR2032 3V lithium coin cell for the 2014 Honda Civic key fob. It’s widely available and affordable. Replace the battery with the correct orientation, test the remote, and seek professional help if issues continue.