The remote uses a CR2032 3-volt lithium coin battery, the standard size for most 2011 Honda Pilot key fobs.
In 2011, the Honda Pilot relied on a traditional keyless entry fob. Replacing the battery is straightforward: you’ll open the fob, swap in a fresh CR2032, and reassemble. This guide confirms the battery size and offers practical steps to replace it.
Confirming the battery size
The CR2032 is a 20 mm diameter, 3.2 mm thick lithium coin cell commonly used in car remotes, watches, and other compact electronics.
- Look at the existing battery: if you can see it when you pry open the fob, the code is usually stamped on the side (CR2032).
- Check your owner's manual or the dealer's parts catalog for the 2011 Pilot remote battery specification.
- Note that some aftermarket fobs may differ; if you have a recently replaced or aftermarket key, confirm the size before purchase.
Having the correct size helps ensure a proper seal, range, and reliability of the fob.
Replacement steps
Follow these steps to replace the battery in most 2011 Honda Pilot key fobs. Use a clean, flat workspace and the proper tools to avoid damaging the fob.
- Gather a CR2032 3V battery and a small flat-head screwdriver or a plastic pry tool.
- Use the pry tool to gently separate the two halves of the fob along the seam, taking care not to damage the electronics or rubber buttons.
- Remove the old battery, noting its orientation (positive side up, typically).
- Insert the new CR2032 with the correct orientation, usually with the positive (+) side facing up.
- Snap the fob halves back together until they click and test the remote to ensure it works.
With the new battery in place, your Pilot’s key fob should have restored range and responsiveness.
Where to buy and cost considerations
CR2032 batteries are widely available at automotive stores, big-box retailers, pharmacy sections, and online. Prices are generally modest, and you can buy a pack of several coins for better value. If you’re replacing in a dealership service, expect a higher price but the convenience of avoidance of DIY risk.
- Online retailers often offer multipacks and expedited shipping.
- Pharmacies and big-box stores typically stock them in the battery aisle; look for 3V CR2032 coins.
- Don’t mix battery brands if possible; choose reputable brands like Duracell, Energizer, or Panasonic to ensure reliability.
Bottom line: CR2032 is the standard battery for the 2011 Honda Pilot key fob, and replacements are inexpensive and easy to source.
Additional notes and tips
If your fob has stopped functioning after a battery change, try re pairing the key fob to the vehicle if necessary. Some vehicles require re-synchronization or a check of the vehicle's battery and fob sensor to maintain reliable operation. If you have a smart key or a different variant of the Pilot remote, ensure you’re using the correct replacement battery, as some locales or trims used similar-looking but different batteries.
Summary: The 2011 Honda Pilot key fob uses a CR2032 3V coin cell. Replacement is straightforward—open the fob, replace with a CR2032, close it, and test. Batteries are inexpensive and widely available. If you encounter issues, consult a dealer or auto locksmith for re-pairing or troubleshooting.


