How to Replace Acura Key Fob Battery: Step-by-Step Guide

Ever found yourself locked out of your Acura because the key fob battery died at the worst possible moment? Frustrating, right? But don’t worry, you’re not alone in this struggle. What if you could easily replace the battery yourself and avoid these inconvenient situations altogether? Well, you’re in luck! In this article, we’ll walk you through the simple steps to change the battery in your Acura key fob.

Gather the necessary tools

To get started on changing the battery in your Acura key fob, here’s what you’ll need:

  • New battery: Ensure you have the correct size for your specific key fob model.
  • Flathead screwdriver or prying tool: It can help with opening the key fob case.
  • Small Phillips head screwdriver: Some key fobs may have screws inside.
  • Tweezers or toothpicks: Useful for handling the small components inside the key fob.
  • Cloth or towel: To protect the key fob and work area from scratches.

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Remember to have these tools on hand before you begin the battery replacement process.

Locate the battery compartment

When it comes to changing the battery in your Acura key fob, the first step is to Locate the battery compartment. Here’s how you can do it:

  • Look for a small slot on the side or bottom of your key fob.
  • You might find a screw holding the key fob together. If so, use a small Phillips head screwdriver to remove it.
  • Gently pry open the key fob using a flathead screwdriver or your fingernail.

Remember, the location of the battery compartment may vary depending on the Acura model. Refer to your owner’s manual for specific instructions.

Next Steps

Once you’ve located the battery compartment, you’re ready to remove the old battery and install the new one. Let’s move on to the next steps in this simple process.

Remove the old battery

  • Locate the battery compartment: Look for a small slot or screw on the key fob to access the compartment.
  • Open the compartment: Use a small screwdriver or your fingernail to carefully open the compartment.
  • Take out the old battery: Gently remove the old battery from its housing.
  • Dispose of the old battery properly: Be sure to recycle the old battery following local regulations.
Key Points Details
Battery Type Typically a CR2032 coin cell battery.
Handling the Battery Avoid touching the battery terminals directly.
Replacement Period Batteries generally last 2-3 years.

Install the new battery

Once you’ve removed the old battery, it’s time to install the new one. Here’s how you can do it:

  • Step 1: Take your new CR2032 coin cell battery.
  • Step 2: Place the battery in the compartment with the positive side facing up.
  • Step 3: Gently press the battery to ensure it’s securely in place.
  • Step 4: Close the battery compartment carefully.

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Remember, avoid direct contact with the battery terminals throughout this process, and be sure to follow any specific instructions for your Acura key fob model.

Test the key fob

To ensure that the battery replacement was successful, testing the key fob is crucial.

Here’s how to do it:

  • Stand close to your Acura vehicle.
  • Try locking and unlocking the doors with the key fob.
  • If the functions work smoothly, congratulations – you’ve successfully replaced the battery! If not, double-check the battery installation and repeat the process if needed.


Key Fob Testing Tips
Stand close to your vehicle
Lock and unlock doors
Check functionality


That’s it! You’ve now learned the simple steps to change the battery in your Acura key fob. Remember to handle the batteries carefully, follow the specific instructions for your key fob model, and test the key fob afterwards to ensure everything is working smoothly. By properly replacing the battery, you can continue to enjoy the convenience and functionality of your Acura key fob without any interruptions. Happy driving!

Frequently Asked Questions

How do I know when to replace the battery in my Acura key fob?

It’s time to replace the battery when the key fob’s range decreases, or it stops working intermittently.

What type of battery does an Acura key fob use?

An Acura key fob typically uses a CR2032 coin cell battery.

How do I properly dispose of the old battery from my Acura key fob?

To dispose of the old battery, take it to a recycling center or a battery disposal facility.

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What precautions should I take when replacing the battery in my Acura key fob?

Avoid touching the battery terminals directly to prevent damage and ensure smooth functionality.

How can I test if the battery replacement in my Acura key fob was successful?

Stand close to your Acura vehicle and test if locking and unlocking functions work smoothly post replacement.

Battery industry professional with 5+ years of experience. Bachelor of Science in Electrical Engineering from Georgia Tech. Specializes in power systems and renewable energy.

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