Change Audi Key Fob Battery: A Simple Step-by-Step Guide

Are you struggling to lock or unlock your Audi remotely? A common culprit is a dead or dying battery in your key fob. Fortunately, changing your Audi key fob battery is a straightforward task you can often do yourself, saving you time and a trip to the dealership for a minor issue. This guide from the experts at keyfobx.com will walk you through the process of an Audi key fob battery replacement, ensuring you can get back to conveniently accessing your vehicle.

Whether you drive the latest Audi model or a slightly older one, understanding how to change your key fob battery is a valuable skill. Different Audi keys exist, each with a slightly different battery replacement method. Don’t worry, we’ve broken down the process for the most common types of Audi key fobs to make it easy for any Audi owner to follow. Let’s get started and restore the convenience of your remote key!

Step-by-Step Guide to Replace Your Audi Key Fob Battery

Before you begin, it’s helpful to identify the type of Audi key fob you have. While the battery replacement is similar across models, knowing your key type will ensure you follow the most accurate steps. We’ll cover instructions for three common types: the Audi Remote Key, the Audi Smart Keyless Entry Remote, and the Audi Flip Key.

Replacing the Battery in an Audi Remote Key

This type of key often features a metal key that flips out. Here’s how to replace the battery:

1. Flip Open the Metal Key: Locate the release button or mechanism to flip out the physical metal key blade if your remote key has one.

2. Access the Back Cover: Look for a small black cover, often near where the key ring attaches or on the back of the fob. You may need a small flat-head screwdriver for the next step.

3. Press and Pop: Use the small screwdriver to gently press the black cover. Simultaneously, at the opposite end of the fob (often the key ring end), carefully pry or pop up the back cover. Be gentle to avoid damaging the plastic casing.

4. Remove the Back Cover: Once you’ve popped it open, carefully remove the back cover to reveal the battery compartment inside.

5. Identify and Remove the Old Battery: You’ll see the battery, typically a button cell battery. Note the battery type (usually CR2032). Gently remove the old battery. You might be able to use your fingertip or the small screwdriver to help nudge it out.

6. Insert the New Battery: Take a new CR2032 battery. Ensure the positive (+) side of the battery is facing upwards, matching the orientation of the old battery. Slide the new battery into the battery compartment.

7. Reattach the Back Cover: Carefully align the back cover and snap it back into place. Ensure it’s securely closed.

Alt text: Close-up of hands replacing a CR2032 battery in an Audi remote key fob, highlighting the battery compartment and screwdriver.

Replacing the Battery in an Audi Smart Keyless Entry Remote

The smart key, or keyless entry remote, often has chrome accents and allows for keyless entry and start. Here’s how to change its battery:

1. Locate the Key Release: Find the key release button, usually a small button or switch located on the chrome part or side of the key fob.

2. Remove the Metal Key Blade: Press and hold the key release while gently pulling out the metal key blade from the fob shell. Set the metal key aside.

3. Expose the Battery Holder: Once the metal key is removed, you’ll see exposed plastic of the battery holder. This might be a small tray or compartment. Carefully pry or slide this battery holder out. A fingernail or the small screwdriver can be helpful.

4. Remove the Old Battery: Identify and remove the old battery from the battery holder. Again, note the battery type (likely CR2032).

5. Insert the New Battery: Insert a new CR2032 battery into the battery holder, ensuring the positive (+) side is facing the correct way (usually upwards or as indicated by markings in the holder).

6. Reassemble the Battery Holder: Slide the battery holder back into the fob shell until it clicks or sits flush.

7. Reinsert the Metal Key Blade: Slide the metal key blade back into its slot in the fob shell until it clicks securely into place.

Alt text: Step-by-step image showing removal of the metal key blade and battery holder from an Audi smart key fob during battery replacement.

Replacing the Battery in an Audi Flip Key

The Audi flip key is characterized by its key blade that flips out from the fob. Battery replacement involves these steps:

1. Separate the Fob Case: Use a flat-head screwdriver to carefully pry open the key fob case. Insert the screwdriver into the seam running around the edge of the fob and gently twist to separate the case into two halves.

2. Set Aside Key Blade Side: Take the half of the fob that contains the flip metal key and set it aside for now. You’ll be working with the other half.

3. Open the Battery Shell: On the other half of the fob, you may need to further separate the shell to access the battery compartment. Use the screwdriver again to gently pry open this section.

4. Remove the Old Battery: Locate and remove the old battery. This type of flip key often uses a CR1620 battery, which is slightly thinner than a CR2032. Confirm the type before replacement.

5. Insert the New Battery: Insert the new CR1620 battery, ensuring the positive (+) side is correctly oriented.

6. Close the Battery Shell: Press the shell closed until you hear a snap or click, indicating it’s securely fastened.

7. Reassemble the Fob Halves: Carefully align the two halves of the key fob case and press them back together until they snap or click shut, reassembling the key fob.

Alt text: Exploded view of an Audi flip key fob, showing the separated halves and the CR1620 battery being replaced.

Tips and Considerations for Your Audi Key Fob Battery Change

• Battery Types: Most Audi key fobs use either CR2032 or CR1620 batteries. Always double-check the old battery type before purchasing a replacement to ensure compatibility.
• Where to Buy Batteries: You can find these common button cell batteries at most drugstores, supermarkets, electronics stores, and online retailers.
• Battery Disposal: Dispose of old batteries responsibly at designated battery recycling locations.
• Troubleshooting: If you’ve replaced the battery and your key fob still isn’t working, double-check that the battery is installed correctly (positive side up) and that you’ve used the correct battery type. If issues persist, there might be a different problem, and it’s best to consult with a professional.
• When to Seek Professional Help: While battery replacement is usually simple, if you’re uncomfortable performing the steps yourself, or if you encounter any difficulties, don’t hesitate to schedule service at your local Audi dealership or a trusted automotive service center.

Get Professional Audi Key Fob Service at Keyfobx.com

Changing your Audi key fob battery is often a quick and easy fix. However, if you prefer professional assistance or encounter any issues, the expert service team at keyfobx.com is here to help. We can handle all your Audi key fob battery replacement needs and any other car maintenance or repair requirements you may have. Contact us today or schedule your service online and let us ensure your Audi is always running smoothly!