Most Toyota key fobs use a 3-volt lithium coin cell, typically CR2032. Some older or regional variants may use CR2025 or CR1632. Always verify by inspecting the fob or consulting the owner's manual.
Common battery types and where they appear
Over the years, Toyota has used a few different coin-cell sizes in its key fobs. Here is a quick guide to the most common options you might encounter.
- CR2032: The standard choice for the vast majority of current Toyota fobs, including many Camry, Corolla, RAV4, Highlander, Prius, and other models.
- CR2025: Used in some older or regional versions of Toyota remotes; it’s thinner and has slightly less capacity than the CR2032.
- CR1632: Found in a small number of compact or older fob designs; far less common on newer vehicles.
Bottom line: The exact battery size depends on your fob’s design and vehicle year. If you’re unsure, remove the cover and read the battery label, or check the owner’s manual or official Toyota support resources.
How to determine the right battery for your fob
To confirm the exact size for your vehicle’s key fob, follow these steps.
- Open the fob case carefully and read the battery label to identify the size (for example, CR2032, CR2025, or CR1632).
- Consult your owner’s manual or Toyota’s official support site for your year/model by searching “key fob battery” to verify the recommended size.
- If in doubt, contact a dealer or locksmith for confirmation before replacing the battery.
Bottom line: The correct size is the one printed on the battery label or specified by official Toyota documentation for your particular vehicle.
Replacing the battery: a simple guide
Here is a straightforward process to replace a Toyota key fob battery. Handle the fob gently to avoid damaging the electronics.
- Find the seam or small screws on the fob and open the case using a small flat tool or your fingernails.
- Remove the old battery and note the orientation (positive side up).
- Place the new battery of the correct size in the same orientation, ensuring proper contact.
- Reassemble the fob and test the buttons to confirm proper operation.
Bottom line: Take your time to ensure correct polarity and a secure seal; if the fob still doesn’t work, recheck the battery orientation or seek professional help.
Safety and recycling
Dispose of used lithium coin cells through local recycling programs; do not throw them in household trash. Keep small batteries away from children and pets, and store them safely before disposal or replacement.
Summary
In most Toyota key fobs, the battery is a CR2032 3V lithium coin cell. Some older or regional models may use CR2025 or CR1632. Always verify the exact size by inspecting the fob’s battery or checking the owner’s manual or official Toyota support resources. Replacing the battery is an easy, low-cost maintenance task, and proper disposal protects the environment.
Do all Toyota models use the same key battery?
Open your key fob with either your key (newer models), finger, or a thin but strong object at the designated slot or notch. After the case is open, gently lift the circuit board to reveal the battery. Note what kind of battery it is and how it's positioned in the case. Most Toyota models use a CR2032 battery.
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.
Can I use a CR2032 in a Toyota key?
Screwdriver. So we're going to stick our screwdriver in and you can twist. It. Or just try to pry it open whichever works best and you'll see it start to kind of loosen up on the side.
Can I replace my Toyota key fob battery myself?
So just fit it into the slot it'll fit in there perfectly. And give it a twist. And once you get it apart the part that holds the battery could be in either. Side just pop it out.