A Step-by-Step Guide to Replacing the Audi A8 Key Fob Battery (2016-2022)

Introduction

Replacing the battery in your Audi A8 key fob is a simple process that can be done in minutes. This guide will walk you through the steps needed to replace the CR2032 battery in your key fob. Whether you drive a 2016 or a 2022 model, the procedure is the same.

In this guide, you will learn how to open the key fob, remove the old battery, insert the new battery, and reassemble the key fob. Let’s get started.

Amazon Basics 4-Pack CR2032 Lithium Coin Cell Battery, Compatible with AirTag, 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

What You Need

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

  • CR2032 battery
  • Your Audi A8 key fob

You can purchase the CR2032 battery online.

Step 1: Remove the Mechanical Key

The first step in replacing the battery is to remove the mechanical key from the key fob. To do this:

  • Locate the buttons on the bottom of the key fob.
  • Press and hold both buttons simultaneously.
  • Pull out the mechanical key while holding the buttons down.

This will expose the inner section of the key fob where the battery is located.

Step 2: Open the Key Fob

Next, you will need to open the key fob to access the battery. Follow these steps:

  • Find the buttons on each side of the inner section.
  • Press and hold both buttons.
  • Pull and wiggle the section slowly until it comes apart.

Be careful while separating the pieces to avoid damaging the key fob.

Step 3: Remove the Old Battery

Once the key fob is open, you will see the battery. To remove the old battery:

  • Gently pry the battery out using your fingers or a small tool.
  • Dispose of the old battery properly.

Step 4: Insert the New Battery

Now, it’s time to insert the new CR2032 battery. Ensure that:

  • The positive side (+) is facing down.
  • You click the battery into place securely.

Double-check that the battery is correctly positioned before proceeding.

Step 5: Reassemble the Key Fob

With the new battery in place, it’s time to put your key fob back together:

  • Align the sections of the key fob.
  • Slide the pieces back together until they click.
  • Reinsert the mechanical key.

Your key fob should now be fully functional with the new battery.

Amazon Basics 4-Pack CR2032 Lithium Coin Cell Battery, Compatible with AirTag, 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

Replacing the battery in your Audi A8 key fob is a quick and easy process. By following these steps, you can ensure that your key fob is always in working order. If you found this guide helpful, feel free to leave a comment or like. For more tutorials on key fob maintenance, visit our channel.

FAQs

How often should I replace my key fob battery?

Typically, you should replace your key fob battery every 1-2 years. However, this can vary based on usage.

What type of battery does the Audi A8 key fob use?

The Audi A8 key fob uses a CR2032 coin battery.

Where can I buy the CR2032 battery?

You can purchase the CR2032 battery on Amazon.

Amazon Basics 4-Pack CR2032 Lithium Coin Cell Battery, Compatible with AirTag, 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

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

If your key fob still doesn’t work, ensure the battery is inserted correctly. If issues persist, consult your vehicle’s manual or contact a professional.

Can I use a different type of battery for my key fob?

No, it is recommended to use the specified CR2032 battery for optimal performance.

Is there a risk of damaging my key fob during the battery replacement?

If you follow the steps carefully, there is minimal risk of damage. Handle the key fob gently to avoid any issues.

How do I know when my key fob battery needs replacing?

Common signs include a weak signal, intermittent functionality, or the key fob not working at all.

Can I replace the key fob battery myself?

Yes, replacing the key fob battery is a simple process that can be done at home with minimal tools.

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