The 2013 Honda Civic key fob uses a CR2032 3-volt lithium coin cell battery.
Battery type and fit
Key facts about the battery used in the 2013 Civic key fob, including size, voltage, and sourcing guidance.
- Battery type: CR2032 lithium coin cell
- Voltage: 3.0 volts
- Dimensions: 20 mm diameter, about 3.2 mm thick
- Common usage: standard across many Honda remotes from this era
- Availability: widely sold at electronics stores, auto parts shops, supermarkets, and online retailers
The CR2032 is the standard replacement battery for most 2013 Civic key fobs. Always verify the exact size by inspecting the old battery before purchasing.
How to replace the battery
Follow these steps to replace the battery in your key fob and restore remote function.
- Carefully pry the fob apart along the seam using a small flat-head screwdriver or a coin; avoid forcing the plastic.
- Remove the old battery and note which side is facing up.
- Insert a fresh CR2032 with the positive (+) side facing up, aligning it with the contacts.
- Snap the fob halves back together until they click and test the remote from a short distance.
After replacement, test all buttons to ensure full function. If the remote still doesn’t respond, recheck the battery orientation and contacts, and consider professional help for internal issues or reprogramming if needed.
Troubleshooting and reprogramming
Most 2013 Civics do not require reprogramming after a simple battery swap, but a nonresponsive fob may need reseating, contact cleaning, or reprogramming by a dealer or automotive locksmith if the car does not recognize the key.
Where to buy and safety tips
Tips for sourcing a compliant battery and handling it safely.
- Buy a new CR2032 from a reputable brand to ensure reliability and avoid counterfeit or degraded cells.
- Check the expiry date on packaging and avoid damaged or swollen batteries.
- Dispose of the old battery responsibly; many retailers offer recycling for used coin cells.
Having a spare CR2032 on hand makes future replacements quick and easy, and following proper disposal helps protect the environment.
Summary
For a 2013 Honda Civic key fob, the replacement battery is a CR2032 3V lithium coin cell. Its size and availability make replacements straightforward: pry open the fob, swap in a fresh CR2032 with the correct orientation, and reassemble. Battery sources include electronics stores and auto parts shops.


