How to Replace the Battery in a Buick LaCrosse Key Fob (2005-2009)

Introduction

Replacing the battery in your Buick LaCrosse key fob is a straightforward process. You won’t need any special tools, just a flathead screwdriver and a CR2032 battery. In this guide, I will walk you through each step to ensure your key fob is functioning properly again.

Gathering Your Tools

Before you start, make sure you have the necessary tools. You will need a flathead screwdriver and a CR2032 battery. These batteries are readily available online, and you can purchase them on Amazon.com for a few dollars.

Opening the Key Fob

First, locate the seam between the two pieces of plastic on your key fob. You’ll see a small slot along this seam.

• Insert the flathead screwdriver into the slot.
• Gently twist the screwdriver to create an opening.
• Avoid twisting too hard to prevent damage.
• Use your fingers or the screwdriver to work your way down the side until it opens.

Removing the Old Battery

With the key fob open, you will see a small circuit board. Carefully remove this circuit board and set it aside. Now you have access to the battery.

• Slide the old battery out with your finger.
• Dispose of the old battery properly.

Inserting the New Battery

Take your new CR2032 battery and ensure the positive side is facing up. You should see the text and the plus sign (+) on the top.

• Slide the new battery into place.
• Ensure it sits securely in the slot.

Reassembling the Key Fob

Now, it’s time to reassemble the key fob. Place the circuit board back into its original position with the battery facing up.

• Ensure the rubber component is aligned correctly.
• Click the two pieces of the key fob back together.

Testing the Key Fob

Once reassembled, test your key fob to ensure it’s working correctly. If done properly, your key fob should be functioning like new.

Conclusion

Replacing the battery in your Buick LaCrosse key fob is a simple task that can save you time and money. By following these steps, you can ensure your key fob remains functional without the need for professional help.

FAQs

What tools do I need to replace the battery?

You will need a flathead screwdriver and a CR2032 battery.

How do I open the key fob?

Insert a flathead screwdriver into the slot along the seam and gently twist to create an opening.

Which side of the battery should face up?

The positive side, marked with a plus sign (+) and text, should face up.

What should I do if the key fob doesn’t work after replacing the battery?

Ensure the battery is inserted correctly and the key fob is reassembled properly. If it still doesn’t work, consider consulting a professional.

Where can I buy a CR2032 battery?

You can purchase a CR2032 battery on Amazon.

For more detailed guides on various key fob models, visit our website at fobbattery.com.