Honda Passport Key Fob Battery Replacement: A Comprehensive Guide to What You’ll Need and How to Do It

If you’ve received a low battery notification for your Honda’s key fob, don’t worry. Replacing the battery is a simple task that you can do yourself. In this guide, I’ll walk you through the steps to replace the key fob battery in your Honda.

First, when you receive the alert on your dashboard, indicating a low battery in your keyless remote, it’s time to replace the battery. The key fob is essential for keyless entry and starting your car, so it’s important to keep it functioning properly.

What You’ll Need

Before starting the replacement process, make sure to have a CR2032 battery on hand. You can find this battery at most hardware stores or even at the dollar store.

Replacing the Battery

Start by locating the small clip on the side of the key fob with the Honda symbol. Use it to pull the key out. There’s a spot where you can wedge the key to open the fob. Simply wedge it open and the fob will pop open, revealing the old battery.

Remove the old battery and replace it with the new CR2032 battery. Once the new battery is in place, snap the fob back together and re-insert the key.

Testing the Key Fob

After replacing the battery, it’s time to test the key fob. Place it near the steering wheel and attempt to start the car. If the fob doesn’t work immediately, you may need to sync it with the car. Hold the remote near the start button to sync it.


That’s it! You’ve successfully replaced the key fob battery in your Honda. It’s a simple process that can save you time and money compared to a trip to the dealership. If you found this guide helpful, give it a thumbs up and consider subscribing for more car maintenance tips and tutorials. Safe driving!

What does it mean when the keyless remote battery is low in a Honda?

When the keyless remote battery is low in a Honda, it means that the battery in the key fob needs to be replaced.

What type of battery does a Honda key fob use?

A Honda key fob uses the CR2032 battery, which can be purchased at hardware stores or dollar stores.

How do you replace the battery in a Honda key fob?

To replace the battery in a Honda key fob, you need to first remove the key from the fob, then open the fob to access the old battery. After removing the old battery, insert the new CR2032 battery and reassemble the key fob. Test the key fob by using it near the car’s start button to ensure it is working properly.

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