The 2011 Honda Accord key fob uses a CR2032 3-volt lithium coin cell battery.
This is the standard button-cell size for the remote that year. The battery sits in a small compartment on the back of the fob and is typically easy to replace with a common coin-cell from electronics stores.
Battery type and compatibility
Understanding which battery fits your 2011 Accord key ensures reliable operation and prevents damage from using an incompatible size. The CR2032 is the recommended and most widely used option for this model’s remote.
- CR2032 — the standard 3V lithium coin cell used by the 2011 Accord key fob.
- CR2025 — a thinner 3V cell; not the preferred choice for this fob and may not fit or contact properly in some units.
- CR1616 — a smaller coin cell; generally not compatible with the 2011 Accord fob due to size and holder design.
In short, CR2032 is the safe, recommended choice for the 2011 Accord key and ensures proper fit and function.
Replacing the battery
Follow these steps to replace the CR2032 battery in your 2011 Honda Accord key fob without damaging the unit.
Safety and tips
Handle the fob and battery gently, avoid touching the contact surfaces, and work on a clean, flat surface to prevent losing small parts.
- Use a small flathead screwdriver or a coin to pry apart the two halves of the key fob. Do this carefully to avoid cracking the plastic.
- Remove the old battery and note the orientation of the positive (+) side relative to the fob’s contacts.
- Insert a new CR2032 with the correct orientation, ensuring it sits flush and the cover can snap back into place securely.
- Snap the halves back together and test the remote by pressing a button to confirm the battery is functioning.
If the remote still fails to work after a battery replacement, the issue may lie with the circuit board or transmitter rather than the battery itself, and professional service may be required.
Summary
For a 2011 Honda Accord key fob, use a CR2032 3V lithium coin cell. Replacing it is a straightforward, DIY task with basic tools, and using the correct battery type helps ensure reliable performance. If problems persist after replacement, consult a dealer or locksmith for further evaluation.
What battery does a 2011 key fob take?
| 2005-2010 | CR1616 |
|---|---|
| 2011-2015 | CR2032 |
| 2006-2014 | CR2032 |
| 2019-2021 | CR2032 |
| 2013-2018 | CR2032 |
What battery does a 2011 Honda Accord key fob use?
It's not the typical CR2032 that most of the other keys use so this one is unique make sure you have the correct battery. Link in the description below for this battery kit.
What size battery does a 2011 Honda Accord use?
Common battery group sizes for the 2011 Honda Accord include Group 51R (most common) — exact fit depends on model year configuration and accessory load.
What battery goes in a Honda Accord key fob?
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.