Audi A3 Key Fob Battery Replacement Guide (2007 – 2015)

Introduction

Replacing the battery in your Audi A3 key fob is a simple process. It takes only a few minutes and requires only a CR2032 battery. This guide will walk you through the steps necessary to replace the battery in your key fob.

Amazon Basics 4-Pack CR2032 Lithium Coin Cell Battery, 3 Volt, Long Lasting Power, Mercury-Free
  • Plastic, Metal
  • Imported
  • IN THE BOX: 4-pack of CR2032 3 volt lithium coin cell batteries; replacement for BR2032, DL2032, and ECR2032

Tools and Materials Needed

Before you begin, make sure you have the following items:

  • CR2032 battery
  • Flathead screwdriver

If you don’t have these items, you can purchase a CR2032 battery here and a set of small screwdrivers here.

Step-by-Step Instructions

Step 1: Flip Over the Key Fob

First, flip the key fob over so that the back side is facing up. You’ll be removing the back piece of plastic.

Step 2: Remove the Back Cover

Take a flathead screwdriver or a similar tool and insert it into the small space at the bottom of the key fob. Pry the back cover off carefully.

Step 3: Remove the Old Battery

Inside the key fob, you’ll see the battery and a small hole for prying it out. Use a small flathead screwdriver or another tool to carefully pry the battery out. Dispose of the old battery properly.

Step 4: Insert the New Battery

Take your new CR2032 battery and ensure that the positive side is facing up. Insert the battery into the key fob and press it down into place.

Step 5: Replace the Back Cover

Place the back cover onto the key fob and press it until it clicks back into place. Ensure that it is securely attached.

Amazon Basics 4-Pack CR2032 Lithium Coin Cell Battery, 3 Volt, Long Lasting Power, Mercury-Free
  • Plastic, Metal
  • Imported
  • IN THE BOX: 4-pack of CR2032 3 volt lithium coin cell batteries; replacement for BR2032, DL2032, and ECR2032

Conclusion

That’s all it takes to replace the battery in your Audi A3 key fob. This quick and easy process can save you time and money. If you found this guide helpful, feel free to leave a comment or like. For more key fob battery replacement guides, visit our YouTube channel or website.

FAQ

What type of battery does the Audi A3 key fob use?

The Audi A3 key fob uses a CR2032 coin battery.

What tools do I need to replace the battery?

You will need a flathead screwdriver or a similar tool to pry open the back cover and remove the old battery.

How do I dispose of the old battery?

Dispose of the old battery properly by taking it to a battery recycling facility or following your local disposal regulations.

Can I use any other type of battery?

No, you should only use a CR2032 battery to ensure proper functionality of the key fob.

How often should I replace the key fob battery?

Typically, the key fob battery should be replaced every 1-2 years, depending on usage.

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

Ensure that the battery is inserted correctly with the positive side facing up. If it still doesn’t work, try a new battery or consult a professional.

Where can I purchase a CR2032 battery?

You can purchase a CR2032 battery on Amazon.

Amazon Basics 4-Pack CR2032 Lithium Coin Cell Battery, 3 Volt, Long Lasting Power, Mercury-Free
  • Plastic, Metal
  • Imported
  • IN THE BOX: 4-pack of CR2032 3 volt lithium coin cell batteries; replacement for BR2032, DL2032, and ECR2032
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