Is your Audi key fob becoming less responsive? Are you finding yourself having to press the buttons multiple times to lock or unlock your doors, or start your engine? A common culprit for these issues is a low or dead battery in your key fob. Fortunately, replacing the battery in your Audi key fob is a straightforward process that you can often do yourself at home.
This guide, brought to you by the experts at keyfobx.com, will walk you through the steps to replace your Audi key fob battery, ensuring you can get back to enjoying the convenience of your keyless entry system. We’ll cover the most common types of Audi key fobs and provide clear, easy-to-follow instructions for each.
Understanding Your Audi Key Fob Types
Audi has utilized various key fob designs over the years, but understanding the type you have is crucial for a smooth battery replacement. While the underlying principle is similar, the way you open the fob casing can differ. Here are the three main types of Audi key fobs you might encounter:
- Audi Remote Key: This is often the simplest design, featuring a metal key that flips out.
- Audi Smart Keyless Entry Remote: This key typically has a more modern, integrated look and offers keyless entry and start functionalities. It usually has a removable physical key blade.
- Audi Flip Key: Similar to the remote key, but the entire key portion flips out from the fob body.
No matter which type of Audi key fob you have, this guide will provide you with specific instructions to access and replace the battery. Let’s get started!
Step-by-Step Guide to Audi Key Fob Battery Replacement
Replacing your Audi key fob battery generally requires minimal tools – often just a small screwdriver and a new battery. Make sure you have the correct replacement battery on hand before you begin. Most Audi key fobs use either a CR2032 or CR1620 battery. Refer to your owner’s manual or the old battery itself to confirm the correct type for your key fob.
Here’s how to replace the battery for each type of Audi key fob:
Replacing the Battery in an Audi Remote Key Fob
This type of key fob is characterized by a metal key that flips out from the main body. Follow these steps to replace its battery:
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Flip Open the Metal Key: Begin by pressing the button to release and flip out the metal key blade, as if you were going to use it to manually unlock your door.
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Locate the Black Cover and Press: Look for a small black cover, often located near the base of the key blade hinge. You’ll need to use a small flat-head screwdriver to gently press this cover.
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Pop Off the Back Cover: While pressing the black cover, use the screwdriver or your fingernail to carefully pry and pop off the back cover of the key fob, usually at the end opposite the key blade.
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Remove the Back Cover and Locate the Battery: Once the back cover is removed, you’ll see the battery compartment. The battery will be visible inside.
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Take Out the Old Battery: Carefully remove the old battery. You might be able to gently pry it out with your fingernail or the small screwdriver. Note the orientation of the battery (positive and negative sides).
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Insert the New CR2032 Battery: Take your new CR2032 battery and insert it into the battery compartment, ensuring it’s in the same orientation as the old one. Usually, the positive (+) side faces upwards.
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Reattach the Back Cover: Carefully align the back cover and snap it back into place on the fob. Ensure it’s securely closed.
Replacing the Battery in an Audi Smart Keyless Entry Remote
The Smart Keyless Entry Remote is a more streamlined design, often without a visible flip key. Here’s how to change the battery in this type of fob:
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Press and Hold the Key Release: Locate the small release button, often chrome or metallic, usually positioned on the side or bottom of the key fob. Press and hold this button with your thumb.
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Remove the Metal Key Blade: While holding the release button, gently pull out the metal key blade from the fob shell. This blade is for emergency manual access.
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Remove the Battery Holder Cover: Once the key blade is removed, you will see an exposed plastic battery holder. Carefully pry off this plastic cover, often using your fingernail or a small screwdriver in the provided slot.
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Take Out the Battery: With the battery holder cover removed, the battery will be accessible. Remove the old battery, noting its orientation.
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Insert the New CR2032 Battery: Insert a new CR2032 battery into the battery holder, ensuring it’s in the correct orientation, typically positive (+) side up.
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Reattach the Battery Holder Cover: Snap the battery holder cover back onto the fob shell, ensuring it’s securely in place.
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Reinsert the Metal Key Blade: Slide the metal key blade back into its slot in the fob shell until it clicks into place.
Replacing the Battery in an Audi Flip Key Fob
The Audi Flip Key fob combines elements of both the Remote and Smart Key. Here’s the battery replacement process:
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Separate the Fob Case: Use a flat-head screwdriver to carefully pry apart the two halves of the key fob case. Insert the screwdriver into the seam and gently twist to separate the case.
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Set Aside the Flip Key Side: Separate the fob into two halves. Take the side that contains the flip metal key and set it aside for now. You’ll be working with the other half.
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Separate the Shell of the Other Half: On the remaining half of the fob, you’ll need to further separate its shell to access the battery compartment. Use your screwdriver to gently pry apart this shell.
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Take Out the Battery: Once the shell is open, you’ll find the battery. Remove the old battery, noting its orientation and type (CR1620 in this case).
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Insert the New CR1620 Battery: Insert a new CR1620 battery into the battery compartment, ensuring correct orientation, usually positive (+) side up.
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Press the Shell Back Together: Press the shell of this half of the fob back together until you hear a click or snap, indicating it’s securely closed.
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Reassemble the Two Halves: Finally, put the two halves of the key fob back together, aligning them and pressing firmly until they snap closed.
Replace Your Audi Key Battery with Confidence
As you can see, replacing your Audi key fob battery is a relatively simple task that can save you time and potentially money compared to visiting a dealership for this minor service. By following these step-by-step instructions, you can restore the full functionality of your Audi key fob and enjoy hassle-free access to your vehicle once again.
However, if you prefer to have a professional handle it, or if you encounter any difficulties during the process, the service experts at La Crosse Audi are always ready to assist. Don’t hesitate to contact us or schedule a service appointment for any of your Audi service needs. We’re here to keep your Audi running smoothly.
