The key fob for a 2008 Honda CR-V uses a CR2032 3-volt lithium coin-cell battery.
This coin cell size is standard for most Honda remotes from that era. When replacing, open the fob carefully along the seam, align the new battery correctly, and ensure the contacts are clean for reliable operation.
Battery type and compatibility
The 2007–2011 Honda CR-V remote typically uses a CR2032 coin cell. The battery is about 20 millimeters in diameter and 3.2 millimeters thick. For best results, choose a reputable brand and verify the size if you’re unsure by checking the existing battery or the owner's manual.
Replacing the battery
To replace the key fob battery, follow these practical steps. The process generally does not require reprogramming the fob after replacement.
Follow these steps to replace the CR2032 battery safely and effectively:
- Buy a CR2032 3-volt lithium coin cell from a reputable brand or car part store.
- Use a small flat-head screwdriver or a coin to gently pry apart the fob along the seam. Work slowly to avoid damaging the plastic housing.
- Carefully remove the old battery. Note its orientation (which side faced up) so you can insert the new one the same way.
- Insert the new battery with the correct orientation (plus side typically facing up, but verify by looking for the markings in the battery compartment).
- Snap the halves of the fob back together until they click securely. Ensure there are no loose pieces inside.
- Test the fob by pressing the lock and unlock buttons to confirm the remote is working.
In most cases, you will not need to re-sync or reprogram the fob after replacing the battery. If the fob still does not respond after replacement, recheck the battery orientation, clean the contacts, or consult a dealer for programming support.
Maintenance tips and troubleshooting
To extend battery life and avoid frequent replacements, store the fob away from extreme heat and moisture, and replace the battery promptly if you notice reduced range or responsiveness. If you have a multi-function fob (with panic button or proximity features), ensure you are using the correct key fob for your vehicle as some models use different battery types.
What if the fob still won’t work after replacement?
If replacing the battery doesn’t restore function, try re-seating the battery, using a fresh battery of the same type, and inspecting for corrosion on the contacts. If problems persist, the issue may lie with the transmitter inside the fob or the car’s receiver, and you should contact a Honda dealer or qualified automotive locksmith for diagnostics.
Summary: The 2008 Honda CR-V key fob generally uses a CR2032 3V battery, which is straightforward to replace with common tools. With proper orientation and care, the fob should resume normal operation after replacement.
What battery does a 2008 Honda CRV key fob take?
Compatible with a 2005-2013 Honda CR-V keyless remote with a low or dead battery. Includes two (2) CR1616 3V car key batteries.
What size battery for a 2008 Honda CRV?
DieHard Silver – Battery : 35 Group Size, 500 CCA, 625 CA, 80 Minute Reserve Capacity (Part No. 35-1)
What size battery is used in a Honda CRV key fob?
CR2032 battery
Identifying the Right Battery
Most Honda key fobs use a CR2032 battery, but it's always a good idea to check your owner's manual or look at the old battery to confirm.
Can I use a CR2032 instead of a 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.