Replacing the key fob battery on a 2017 Honda HR‑V is a quick, do‑it‑yourself task. In most cases the fob uses a CR2032 coin cell, and you can complete the swap in about five minutes by prying the case open, swapping the battery with the correct orientation, and snapping the halves back together.
Battery type and where to find it
The majority of 2017 HR‑V key fobs use a CR2032 lithium coin cell. You can verify the exact battery by inspecting the old battery (size printed on the cell) or checking the owner’s manual. Replacement batteries are inexpensive and widely available at auto parts stores, electronics shops, and many grocery or department stores. If your fob has a mechanical key blade, it is usually released from the fob to access the back cover for battery replacement. Always handle the fob gently to avoid damaging the electronics.
Step-by-step replacement guide
Gather a few simple items and create a clean workspace before you begin the swap.
- Remove the mechanical key blade if your fob includes one. This is typically released by sliding a small latch or pressing a button on the side or bottom of the fob, allowing you to eject the metal key.
- Open the fob case. Insert a small flathead screwdriver or a thin coin into the seam and gently twist to separate the two halves. Work slowly to avoid damage to the plastic and internal circuitry.
- Remove the old battery and note its orientation. The CR2032 coin cell usually has the positive (+) side facing up toward you.
- Install the new battery. Place the CR2032 into the cradle with the correct orientation and ensure it sits flush against the contacts.
- Reassemble the fob. Align the halves and press them together until they click back into place. If you removed the mechanical key, reinsert it so it locks securely.
- Test the fob. Stand near your vehicle and press the lock/unlock or trunk button to confirm the battery is working. If there’s no response, check that the battery is seated correctly and oriented properly, then try a fresh battery if needed.
The entire process should take about five minutes, and a properly seated battery will restore full fob functionality.
Tips and cautions
Keep these practical notes in mind as you perform the replacement.
- Use the correct battery type (CR2032 for most 2017 HR‑V fobs). If in doubt, check the imprint on the old battery or the owner’s manual.
- Handle components gently. Avoid touching the circuit board or contacts with bare fingers to minimize static risk and residue.
- Recycle the old battery at a local recycling center or store that accepts spent batteries.
If the fob still doesn’t work after replacement, the issue may be with the internal circuitry or the vehicle’s receiver. In that case, consult a dealer or automotive locksmith for diagnosis and potential replacement of the fob or its transmitter module.
When to seek professional help
For models with push‑button starting, ensure you follow model‑specific guidance if the fob is not recognized after a fresh battery. Your owner’s manual or Honda support can provide steps tailored to your trim and regional variant.
Summary: Replacing the 2017 Honda HR‑V key fob battery is a straightforward DIY task. Most remotes use a CR2032 coin cell; by prying open the fob, swapping the battery with the correct orientation, and snapping the case back together, you can restore key fob functionality in minutes. Dispose of old batteries responsibly and verify operation with a quick test.
How do you change the battery on a 2017 Honda key fob?
How to Replace a Honda Key Fob Battery
- Hold your thumb right above where the battery is located.
- Using your other hand, carefully pry the dead battery out and replace it with a fresh one.
- Line the back of the key fob up with the front half, and gently press the pieces back together. Once secured, you will hear a snap.
Can I replace my Honda key fob battery myself?
So. And you can see there's two halves. Here. We can get rid of the other half and then here is the battery. Now you'll notice that the battery is hooked in on this side. Here it's a it's a CR 2032.
How to change Honda HRV 2017 key battery?
And then twist. Your key fob isn't open all the way yet so now you'll need to use the key end and wedge it between the gap. And pop it. Open.
Does the Honda key fob need to be reprogrammed after replacing the battery?
The good news is that most of the time, you don't actually need to reprogram a Honda key fob after battery replacement. It often starts working again once the battery is in the right way. But in some cases, it might need a few extra steps.


