Are you struggling to lock or unlock your Audi? Seeing a low battery warning light on your dashboard that resembles a key? It’s highly likely your Audi Key Fob Battery is running low and needs replacing. As experts at keyfobx.com, we understand the frustration this can cause. That’s why we’ve created this comprehensive guide to walk you through the process of Audi key fob battery replacement, ensuring you can get back on the road with a fully functional key.
While Audi dealerships like Audi Fletcher Jones in Newport Beach offer battery replacement services, you can easily tackle this task yourself. This guide will cover the different types of Audi key fobs and provide step-by-step instructions on how to change the battery in each. Whether you drive an Audi Q3, Q5, Q7, or another model, understanding your key fob is the first step to a successful battery replacement.
Understanding Your Audi Key Fob Battery
Audi key fobs have evolved over the years, and knowing the type you have is crucial for a smooth battery replacement. Generally, Audi key fobs fall into three main categories, each with a slightly different battery replacement procedure:
Audi Flip Key Fob (Older Models)
Older Audi models often utilize a flip key fob. These fobs are characterized by a physical key that flips out from the fob body. These older flip key fobs typically use two 1620 batteries.
Audi Flip Key Fob (Newer Models)
Newer Audi flip key fobs retain the flip-out key design but feature a more streamlined and modern aesthetic. These updated flip key fobs generally use a single CR2032 battery.
Audi Smart Keyless Entry Remote
Audi’s smart keyless entry remote, also known as the “advanced key,” offers keyless entry and start functionality. These fobs are typically more rectangular and don’t have a flip-out key in the traditional sense, though they often contain a removable emergency key blade. Smart keyless entry remotes commonly use a CR2032 battery.
Step-by-Step Guide to Audi Key Fob Battery Replacement
No matter which type of Audi key fob you have, the battery replacement process is generally straightforward. Here’s a detailed breakdown for each type:
How to Replace the Battery in an Older Audi Flip Key Fob
If you have an older Audi flip key, follow these steps to replace the batteries:
- Gather your batteries: You’ll need two 1620 batteries.
- Separate the Fob Halves: Using a flathead screwdriver, carefully pry apart the two halves of the key fob. Insert the screwdriver into the seam and gently twist until the halves begin to separate.
- Locate the Battery Cover: The half of the fob without the flip key mechanism will have a separate battery cover.
- Remove the Battery Cover: Again, use your flathead screwdriver to gently detach the battery cover. There’s usually a small notch or lip where you can insert the screwdriver for leverage.
- Replace the Batteries: Remove the old 1620 batteries. Take note of the battery orientation (usually positive side up) before installing the new batteries in the same orientation.
- Reassemble the Fob: Snap the battery cover back into place, ensuring it’s securely closed. Then, press the two halves of the key fob back together until they click shut.
How to Replace the Battery in a Newer Audi Flip Key Fob
For newer Audi flip keys that use a CR2032 battery, follow these instructions:
- Obtain a CR2032 Battery: Ensure you have a new CR2032 battery ready.
- Flip Out the Metal Key: Locate the key release button on your fob and flip out the metal emergency key blade.
- Find the Notch: With the metal key flipped out, look inside the key compartment for a small notch. This notch is designed for inserting a tool to open the battery compartment.
- Pop Open the Battery Cover: Insert a small flathead screwdriver or a similar thin tool into the notch. Gently twist or lever the screwdriver to pop open the battery cover.
- Remove the Cover: Once popped open, carefully pry the cover off completely. It usually hinges near the keyring loop.
- Replace the CR2032 Battery: Remove the old CR2032 battery and insert the new one. Crucially, ensure the positive (+) side of the battery is facing upwards.
- Reattach the Cover: Carefully align the plastic notches on the battery cover with their corresponding slots on the fob. Gently press the cover back into place until it clicks securely shut.
How to Replace the Battery in an Audi Smart Keyless Entry Remote
Replacing the battery in an Audi smart keyless entry remote is slightly different but still manageable:
- Get a CR2032 Battery: You’ll need a single CR2032 battery.
- Remove the Emergency Key Blade: Locate the release mechanism (usually a small button or slider) to remove the metal emergency key blade from the fob.
- Locate the Notch: Where the metal key blade was housed, you’ll find a small notch.
- Open the Fob Shell: Insert a flathead screwdriver into the notch, angling it towards the center of the key fob. Carefully rotate the screwdriver to pry open the key fob shell. It may take a little pressure, but avoid excessive force.
- Replace the CR2032 Battery: Once the shell is open, remove the old CR2032 battery and replace it with a new one, ensuring the positive (+) side faces upwards.
- Snap the Shell Back Together: Carefully align the two halves of the key fob shell and press them firmly together until they snap securely closed.
What To Do If Your Audi Key Fob Isn’t Recognized After Battery Replacement?
In most cases, replacing your Audi key fob battery is a straightforward fix. However, sometimes your car might not immediately recognize the key fob after a battery change. If this happens, try the following re-initialization steps:
- Manual Door Lock Re-initialization:
- Insert the key blade into the driver’s side door lock.
- Manually unlock and then lock the door using the key blade.
- Remove the key from the door.
- Press the “unlock” button on the key fob.
This process often resynchronizes the key fob with your Audi’s system. If your key is still not recognized after attempting this, it’s recommended to consult with Audi service professionals for further assistance.
Audi Key Fob Battery Replacement Cost: DIY vs. Professional Service
Replacing your Audi key fob battery yourself is a very cost-effective solution. CR2032 and 1620 batteries are widely available online and at most drugstores or electronics stores for around $5 to $10 per battery or less. Therefore, the DIY cost is minimal.
If you prefer professional service, Audi dealerships or qualified mechanics can replace your key fob battery for you. The cost for professional Audi key battery replacement can vary, potentially ranging from $25 to $75 or more, including labor. This cost will depend on the dealership or service center’s rates and any additional services they may include.
Choosing to replace your Audi key fob battery yourself can save you money and is a relatively simple task with the right guidance.
Conclusion
A dead or dying Audi key fob battery can be a major inconvenience. Fortunately, replacing it is usually a quick and easy DIY task. By understanding the type of Audi key fob you have and following the appropriate step-by-step instructions outlined in this guide, you can confidently replace your Audi key fob battery and restore full functionality to your key.
For more helpful guides and information on car key fobs and automotive maintenance, visit keyfobx.com, your trusted resource for key fob solutions.
