How to Replace a Dead Porsche Key Battery
Your Porsche key fob can provide an abundance of convenience and security. Eventually, however it will be depleted of battery power and will need to be replaced.
Replacing the battery is not hard and it can be done swiftly and easily. It is a simple procedure that will bring back full functionality to your Porsche Taycan key.

How to replace the battery
If your key fob is having trouble starting your Porsche or unlocking or locking your doors, or activating the panic alarm, it could be time to change the battery. A simple battery change is easy to do and will almost always fix the problem.
The first step for replacing the battery is to identify the type of key fob battery you've got. There are various types of key fobs using the same CR2032-type batteries, which are available in the majority of hardware stores. You can also find some batteries online that are specifically for key fobs.
Once you know what kind of battery your porsche key fob is using, you can start the replacement process. These steps will assist you change a key fob's battery.
First, flip your emergency key over. Press and pull the release button on the bottom of your key , which will reveal the black, circular piece of plastic that covers the rest.
It is a crucial part of the function of the key fob. If you accidentally remove it, you will not be capable of using the emergency key to open your vehicle.
Then, you need to remove the cover. Using a small screwdriver, remove the bottom of the cover away from the metal key. This will expose the battery inside of the key fob.
If the cover isn't able to pop off then you may need to use a plastic screwdriver to remove it. It can be purchased at any hardware store and is very efficient in removing the cover from the key fob.
After the cover is removed, you can put the new battery into your Porsche key. To ensure that you are able to push the battery in place, make sure you have the positive (+) side facing towards you.
It is recommended to test the battery after you have installed it. If the battery doesn't work, please return it to us to repair or replace it.
Identifying the Battery
The battery inside your Porsche key is a tiny component that can do a variety of things. The primary function is to make your lock/unlock system work, however, the battery also powers other functions like unlocking doors and also for starting your car.
The battery could be damaged if your remote fob stops functioning as it should. A new battery might solve your problem. However, it's crucial to determine the type and model of the battery in your key fob.
A simple Google search will reveal a wealth information about key batteries. One of the most popular batteries used in remote key fobs is the CR 2032 battery. It is typically located in hardware stores as well as automotive locksmiths across the globe.
There are many ways to differentiate this from an ordinary button cell battery. The most obvious is the color. You can find button cells in gray or silver, but also in green and blue.
When you're ready to replace your old battery with a new, sparkling battery, give us a call at Porsche Ann Arbor for a rapid and efficient appointment. Our highly trained technicians are here to assist you with any task from a minor repair up to a complete replacement.
It's always a good idea to have an effective remote key that works when you need it however even the most experienced drivers will have a difficult time dealing with a broken or dead key. Our experts are on hand to help you with any and all remote key issues.
Removal of the Battery
The key fob that you have in your Porsche Taycan is a convenient way to unlock and start your car. However, with time, the battery inside these devices will degrade and will require replacement. You can replace the battery yourself in a matter of several steps. This will reduce your expenses and save you the hassle of taking your vehicle to an auto dealer.
First remove the emergency key from the fob. You can do this by flipping the fob so that its back is visible and then pressing the release button on the bottom of the key.
Then, you'll need to find a black plastic circle that is separated from the other parts of the emergency key. It should be able to be lifted from the casing. If not then you'll have to employ an screwdriver.
Once you've got the black, circular plastic piece out of your fob, it's a simple matter of pulling out the old battery and inserting a new one. Make sure the new battery is facing the right way. After replacing the battery, return the emergency key back to its original position and then put it back in your key fob.
If your keys don't work after replacing the battery, it's due to damaged buttons or contacts. It's a simple fix that only takes a few minutes.
Before you begin, be sure to read the manual of your owner carefully to ensure you are aware of any potential dangers associated with the procedure. Button cell batteries are particularly dangerous and should not be left unattended because they can cause fatal injury.
It is also important to be aware of any other issues that are making the keys not work, such as a warning message on the dashboard or trouble starting your car. If you're experiencing any of these issues, it's crucial to replace the battery as quickly as possible to avoid further damage.
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Installing the New Battery
When your Porsche key battery is depleted it may be difficult to get in your car. It's not a problem to replace the battery in your key, and you can do this without going to an auto dealer.
The battery inside the key fob is equipped with an electronic chip to connect with the car's radio receiver, and lets you unlock the doors of your car with your key fob. As the battery ages, it may become less effective at communicating with your car's radio receiver. This is the reason why your key fob may not function properly, or at all.
You may also find that your key fob is not functioning properly or takes a few attempts to start your car. These are signs that your Porsche key battery is dying.
Fortunately replacing your Porsche key battery is simple and will take around five minutes. Once you have replaced your battery, you'll have to sync the key to your car. This is accomplished by entering a four-digit code that you can find in your owner's manual or at the dealer.
Once you have re-sync the key to your car, you are able to use it to lock and unlock the doors of your vehicle as well as remotely start your car. You can also reprogram the key fob to function as remote control for heating and air conditioning systems.
To install the battery in your Porsche key, flip the key until you can see its back side. This will allow you to see your emergency key in the bottom.
Next, push the release button located at the back of your key to gently take it from the rest of its plastic casing. The black, circular piece plastic should be released from the rest of your fob.
If you're unable to separate it from the other parts of the key, try using a small screwdriver to gently push it off. It will only take the use of a small amount of force, however be careful not to scratch the casing in any way.