How To Change Battery In Audi Key Fob

by Phil Borges // in Car

If you own an Audi, then you know that the key fob is an important part of the car. But what do you do if the battery dies? This blog post will show you how to change the battery in your Audi key fob.

How to change the battery in Audi key fob?

Audi key fobs are used to lock and unlock your car, as well as start the engine. The key fob communicates with your Audi car through a radio frequency (RF) signal. When you press the button on the key fob, an RF signal is sent to the car, which unlocks or starts the engine depending on what you pressed. Some newer Audi key fob models has a panic button, a feature that can come in handy if you are ever in an emergency situation.

The Audi key fob has a small battery in it that powers the internal workings of the key. This key fob uses a CR2032 battery. It is a small, circular lithium-ion battery that is used in a variety of electronics devices. It’s basically a watch battery, and it’s usually found in things like key fobs, garage door openers, and remotes. Because it’s such a common battery type, it can be easily replaced if needed. You can find CR2032 batteries at most convenience stores, drugstores, or electronics stores. Online retailers like Amazon also carry them.

Batteries in key fobs usually last around two years, but it’s important to note that this varies depending on the following factors:

How often the key fob is used: The more you use your key fob, the shorter the battery life will be.

The temperature to which the key fob is exposed: The temperature can affect the battery life. If your key fob is constantly exposed to extreme temperatures, the battery will not last as long.

The type of battery used: Not all CR2032 batteries are created equal. Some have a longer lifespan than others. High-quality batteries will last longer than budget-brand batteries.

The amount of moisture present: Moisture can damage the key fob circuitry and shorten the battery life. If your key fob is constantly exposed to moisture, the battery will not last as long.

If you think your Audi key fob’s battery may be starting to die, there are a few things you can do:

Try using it more sparingly: If you don’t need to use the key fob every day, try using it only when you need to.

Remove the battery: If you don’t think you will be using the key fob for an extended period of time, remove the battery to preserve its life.

Replace the battery: If all else fails, you can always replace the battery. As mentioned earlier, CR2032 batteries are easily available at most stores.

When it comes time to replace the battery in your Audi key fob, there are a few things you need to know.

  • First, you will need a new CR2032 battery.
  • Second, you will need a Phillips head screwdriver.
  • Third, you will need something thin and flat like a credit card or ruler to help pry open the key fob.

Once you have all of the supplies, follow these generic steps to replace the battery:

First, locate the small notch on the back of the key fob. This is usually located near the top or to the side.

Second, insert the screwdriver or other thin tool into the notch and gently pry open the key fob.

Third, remove the old battery from the key fob.

Fourth, insert the new battery into the key fob, ensuring that the plus sign (+) is facing up.

Fifth, snap the key fob back together.

Sixth, test the key fob to make sure it’s working properly.

Monitoring the battery in your Audi key fob is important, as a dead battery can leave you stranded. If you think the battery may be starting to die, take action and replace it before it’s too late. CR2032 batteries are readily available, so there’s no excuse not to have a fresh one on hand just in case.

How do I change the battery in my Audi Etron key fob?

It’s actually pretty easy to change the battery in your Audi Etron key fob. All you need is a small flathead screwdriver and about five minutes of time.

First, remove the physical key from the fob. You can do this by pressing the small button to release the key.

Next, use either the end of the physical key or a flathead screwdriver to pry open the back of the key fob.

Once the back is open, you should see a small battery. Gently remove the old battery and replace it with a new one. Make sure that the new battery is installed in the same orientation as the old one.

Close up the key fob and reinsert the physical key. Make sure to give the cover a good snap to ensure that it’s properly closed.

And there you have it! You’ve just replaced the battery in your Audi Etron key fob. Of course, if you are uncomfortable doing this yourself, you can always take it to a mechanic or dealership for assistance.

But if you’re feeling adventurous, give it a try! Replacing battery in Audi key is really not that difficult. And who knows, maybe you’ll learn something in the process.

How do I change the battery in my Audi key fob 2018?

The process for changing the battery for the audi key fob 2018 model is relatively simple. You will just need to remove the emergency key first. The battery in the 2018 key fob model has a detachable battery compartment located at the top of the fob. Press both sides of the battery compartment and wiggle a bit until it comes off. Replace the old battery with a new CR2032 coin battery and snap the compartment back on. That’s it! You’ve now changed the battery in your Audi key fob 2018 model.

How do I change the battery in my Audi key fob 2020?

The Audi key fob 2020 model has a flip key design, and the battery is located inside it. You will need a small Phillips head screwdriver to remove the back cover of the key fob but don’t forget to release the key first by pressing the small silver button at the front of the key fob. Once you have removed the back cover, you will see the battery, which is held in place by a small metal tab. You can use a flathead screwdriver to gently pry up the tab and then slide the old battery out. To insert the new battery, slide it in under the metal tab and then use the flathead screwdriver to press the tab back into place gently. Once the new battery is in, replace the key fob case and return the key to its original position. You should now be able to use your Audi key fob without any issues if you use a fresh new CR2032 battery.

How do I change the battery in my Audi key fob 2021?

The battery replacement for the 2021 model is almost the same as the 2018 model. Just remember to be careful when replacing the battery not to damage any of the key fob’s internals.

In conclusion, the process of how to change the battery in the Audi key fob is not difficult, but it is important that you take your time and be careful with the internal components. Make sure you have a new CR2032 battery before starting the replacement process.

About the author, Phil Borges

Phil Borges is a battery aficionado. He's written extensively about batteries, and he loves nothing more than discussing the latest innovations in the industry. He has a deep understanding of how batteries work, and he's always on the lookout for new ways to improve their performance.