The key fob for a 2016 Honda CR-V uses a CR2032 3-volt coin cell battery.
In 2016, Honda offered both a traditional remote key fob and a Smart Key in various trims. Both designs rely on a replaceable lithium coin cell, with CR2032 as the standard choice for most units. Replacing the battery is a quick, do-it-yourself task that can restore full fob functionality without a dealer visit.
Battery type and compatibility
The CR2032 is a widely used 3V lithium coin battery found in many car remotes. While CR2032 is the common standard for the 2016 CR-V fobs, some regional or aftermarket variants could use CR2025 or other similar sizes. Always verify by inspecting your specific fob or consulting the owner's manual. Orientation matters: the positive (+) side typically faces up when installing.
Fob designs for 2016 CR-V
The 2016 CR-V lineup includes two main fob formats: a traditional remote and a Smart Key. Both rely on a CR2032 battery. The Smart Key houses the electronics that unlock and start the vehicle, but its battery replacement procedure remains straightforward and similar to the remote key fob.
How to replace the battery
To replace the battery in your 2016 CR-V key fob, follow these steps. This list covers the typical teardown and reassembly for most fobs.
- Identify the seam on the fob and use a small flat-head screwdriver or a coin to gently pry apart the two halves.
- Remove the old CR2032 battery, noting whether the plus side faces up (most designs have the plus side facing you).
- Insert a fresh CR2032 coin cell with the plus side facing up.
- Align the halves and press them firmly together until they snap securely.
- Test all fob functions (lock, unlock, trunk release, panic) to confirm proper operation.
If the remote still doesn’t work after replacing the battery, inspect for corrosion on the contacts, re-check battery orientation, or consider having the fob inspected by a dealer or locksmith as internal damage or a receiver fault could be at play.
Tips and troubleshooting
Common signs of a dying key fob battery include reduced range, intermittent response, or a need to press buttons harder. Replacing the battery typically restores range and responsiveness. Keep a spare CR2032 on hand, and dispose of old batteries properly.
Summary
In summary, a 2016 Honda CR-V key fob uses a CR2032 3-volt coin cell battery. Replacement is a quick DIY task suitable for most owners, and the same battery type covers both remote and Smart Key designs in that model year. If problems persist after replacement, check for contact corrosion or seek professional help.


