How to Replace Battery in Chevy Key Fob: Quick and Easy DIY Guide for Chevy Drivers

How to Replace Battery in Chevy Key Fob

Has your Chevy key fob been slowing down or becoming unresponsive? It could mean that the battery needs to be replaced. Knowing how to replace a key fob battery is essential to enjoying all the perks of Chevy ownership. Here’s a simple, step-by-step guide to replacing the battery in your Chevy key fob.

Things You’ll Need to Replace a Chevy Key Fob Battery

Before you start replacing the battery in your Chevy key fob, make sure you have the following:

  • CR2025 replacement battery
  • Small flathead screwdriver

Replacing the Battery in a Chevrolet Smart Keyless Entry Remote

If your Chevy has keyless entry, here are the steps to replace the battery:

  1. Press the chrome button on the side to be able to pull out the metal key.
  2. Open the key fob and remove the circuit board and buttons.
  3. Once you can see the old battery, remove it using a small flathead screwdriver.
  4. Install a new CR2032 3V battery, making sure that the positive side matches the position of the old battery.
  5. Replace the components you removed from your key fob, and you’re all set!

Replacing the Battery in a Chevrolet Flip Key

If your Chevy is a 2010-2016 model, it likely has a flip key. Here’s how to replace its CR2032 3V battery:

  1. Flip the metal key blade and remove the back cover on your key fob.
  2. Pull out the old, dead battery and replace it with a new CR2032 3V battery.
  3. Make sure to align the new battery in the same position as the previous one.
  4. Replace the key fob cover, and you should be good to go!

Programing a Chevy Key Fob

Here’s how to program a Chevy key fob:

  1. Manually unlock your car door with your Chevy key.
  2. Ensure all car doors are fully shut, then insert the key into the ignition, but don’t start the car.
  3. Press and hold the unlock button on the driver’s side door, then turn your key to the “On” position.
  4. Turn the key back to the “Off” position, then turn it to “On” and right back to “Off” once again in quick succession. (On – Off – On – Off)
  5. Release the unlock button.
  6. On your Chevy key fob, press and hold the “Unlock” and “Lock” buttons simultaneously until you hear the door locks engage and disengage again, indicating that you have successfully programmed your key fob.
  7. Re-insert the newly programmed key into the ignition in the “On” position to end the programming sequence.

Where to Get a Chevy Key Fob Replacement

If you’ve lost your Chevy key fob altogether, Tom Gill Chevrolet can help. The best place to get a Chevy key fob replacement is at a certified Chevrolet dealership, where you know you’re getting a genuine Chevy key fob that will work with your vehicle.

Tips for Maintaining Your Chevy Key Fob

Here are some tips to help you maintain the battery life in your Chevy key fob:

  • Always make sure the batteries are of the highest quality.
  • Avoid carrying other devices with wireless signals such as cell phones close to your key fob, as they can drain the battery faster.
  • Replace the battery when necessary – don’t wait until the key fob stops working completely.


Replacing the battery in your Chevy key fob is a simple task that can save you lots of time and effort in the long run. With a few basic tools and a replacement battery, you should be able to complete the process in a matter of minutes. However, if you run into any issues, don’t hesitate to contact our service team at Tom Gill Chevrolet for further assistance.


1. How long does a Chevy key fob battery last?

Typically, a Chevy key fob battery will last anywhere from 2-4 years. However, the lifespan of the battery can be influenced by factors such as usage frequency and exposure to extreme temperatures.

2. How do I know when it’s time to replace my Chevy key fob battery?

Symptoms of a failing Chevy key fob battery include unresponsiveness, slow reaction time, or difficulty opening/closing doors. If you notice any of these issues, it’s likely time to replace the battery.

3. Can I replace the battery in my Chevy key fob myself?

Yes, replacing the battery in your Chevy key fob is a simple and straightforward process that requires only a few basic tools.

4. What type of battery does my Chevy key fob use?

The type of battery used in your Chevy key fob is a CR2025 replacement battery.

5. How much does it cost to replace a Chevy key fob battery?

On average, a Chevy key fob battery replacement costs between $5 and $10. However, the cost can vary depending on your location and the type of battery used.


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