Audi S8 Key Fob Battery Replacement Guide (2002 – 2003)

Introduction

Replacing the battery in your Audi S8 key fob is a straightforward task that can be done at home. This guide will walk you through the process step-by-step, ensuring you can do it quickly and efficiently.

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

Required Materials

Before you start, you’ll need a replacement battery. The Audi S8 key fob can use either a CR2032 or a CR1632 battery. These batteries are inexpensive and can be easily found online.

  • CR2032 battery
  • CR1632 battery
  • Flathead screwdriver (optional)

You can purchase these batteries from Amazon.com or visit FobBattery for more options.

Step-by-Step Battery Replacement

Follow these steps to replace the battery in your Audi S8 key fob:

Step 1: Open the Key Fob

First, flip out the key. If you want to do this quickly, grab one end of the key fob and pull and twist. It should come apart. If this is difficult, use a flathead screwdriver. Insert it into the opening on the back and twist to make it easier.

Step 2: Separate the Key Fob

At the bottom of the key fob, where the key fits inside, you can grab on each side and pry it open. If it’s stuck, use the flathead screwdriver again for better leverage.

Step 3: Remove the Old Battery

Once the key fob is open, you will see the battery. Gently lift the battery up and out of place. Check to see if it’s a CR2032 or a CR1632 battery.

Step 4: Insert the New Battery

Take the new battery and make sure the positive side is facing down. Set it into place and snap the key fob back together.

Amazon Basics 4-Pack 3 Volt CR1632 Lithium Coin Cell Battery, Long Lasting Power, Mercury-Free
  • IN THE BOX: 4-pack of CR1632 3-volt lithium coin cell replacement batteries for small electronic devices
  • DEVICE COMPATIBLE: Ideal for watches, calculators, games, medical devices, and more
  • LONG LASTING: Long-lasting, reliable battery life; performs in extreme temperatures

Choosing the Right Battery

It’s crucial to identify which battery your key fob uses. Inside the key fob, you’ll either find a CR2032 or a CR1632 battery. Here are the differences:

  • CR2032: Larger size
  • CR1632: Smaller size

Once you know which battery you need, you can purchase it online. For a CR2032 battery, visit Amazon.com. For a CR1632 battery, visit Amazon.com.

Reassembling the Key Fob

With the new battery in place, align the two halves of the key fob and snap them together. Ensure everything clicks into place securely.

Final Checks

After reassembling the key fob, test it to make sure it’s working correctly. Flip out the key and press the buttons to ensure they respond as expected.

Conclusion

Replacing the battery in your Audi S8 key fob is a simple task that can save you time and money. With this guide, you should be able to do it quickly and without any hassle.

Frequently Asked Questions (FAQ)

How often should I replace the battery in my key fob?

Typically, key fob batteries last between 1 to 2 years. If you notice reduced range or intermittent operation, it may be time to replace the 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

Can I use any CR2032 or CR1632 battery?

Yes, any high-quality CR2032 or CR1632 battery will work.

Amazon Basics 4-Pack 3 Volt CR1632 Lithium Coin Cell Battery, Long Lasting Power, Mercury-Free
  • IN THE BOX: 4-pack of CR1632 3-volt lithium coin cell replacement batteries for small electronic devices
  • DEVICE COMPATIBLE: Ideal for watches, calculators, games, medical devices, and more
  • LONG LASTING: Long-lasting, reliable battery life; performs in extreme temperatures

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

If your key fob doesn’t work after replacing the battery, ensure the battery is correctly installed. If it still doesn’t work, the key fob may have other issues.

Where can I find more guides on key fob battery replacement?

For more guides, visit FobBattery. They offer a variety of resources on key fob battery replacement for different car models.

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