Audi S4 Key Fob Battery Replacement (2005 – 2010)

Introduction

Replacing the battery in your Audi S4 key fob is a simple process that takes just a few minutes. In this guide, I’ll walk you through the steps needed to get your key fob working again. With just a flathead screwdriver and a CR2032 battery, you can do it yourself.

What You Need

Before starting, make sure you have the necessary tools and a replacement battery. The tools required are minimal and readily available.

• Flathead screwdriver
• CR2032 battery

You can purchase a CR2032 battery on Amazon at a reasonable price.

Step-by-Step Instructions

Follow these steps to replace the battery in your Audi S4 key fob:

1. Flip Over the Key Fob

First, flip the key fob over to the back. Look for an opening in the plastic at the bottom, right under the metal part.

2. Pry Open the Back Cover

Insert your flathead screwdriver under the lip in the plastic and pry up. Remove the back piece of plastic to reveal the battery compartment.

3. Remove the Old Battery

Using a precision screwdriver or a similar tool, pry the old battery out of its compartment. If you don’t have a precision screwdriver, a paper clip can also work.

4. Insert the New Battery

Take your new CR2032 battery and make sure the positive side is facing up. Click it into place securely.

5. Reattach the Back Cover

Finally, click the back piece of plastic back onto the key fob. Ensure that it is securely fastened.

Testing the Key Fob

After replacing the battery, you should test the key fob to ensure it works correctly. Press any button on the fob to see if the light comes on. If it does, you’ve successfully replaced the battery.

Troubleshooting

If the key fob doesn’t work after replacing the battery, here are a few troubleshooting tips:

• Ensure the battery is facing the correct way (positive side up).
• Check that the battery is properly seated in the compartment.
• Make sure the back cover is securely attached.

Additional Resources

If you encounter any issues or need further assistance, feel free to visit FobBattery. They offer a variety of guides and resources for key fob maintenance.

Frequently Asked Questions

What type of battery does the Audi S4 key fob use?

The Audi S4 key fob uses a CR2032 battery.

What tools do I need to replace the battery?

You will need a flathead screwdriver and the replacement battery.

How long does it take to replace the battery?

The entire process takes just a few minutes.

What should I do if my key fob still doesn’t work?

Ensure the battery is correctly installed and the back cover is securely attached. If the problem persists, consult FobBattery for more troubleshooting tips.

Where can I buy a replacement battery?

You can purchase a CR2032 battery on Amazon.

Conclusion

Replacing the battery in your Audi S4 key fob is a quick and easy process. With the right tools and a new CR2032 battery, you can have your key fob working in no time. For more detailed guides and resources, visit FobBattery.