Replace Battery In Vw Key Fob

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How To Replace The Battery In A Key Fob

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This article was co-authored by Shawn Fago. Shawn Fago is a Master Locksmith and the Founder of Noble Locksmith, a nationwide locksmith company based in San Diego, California. With over seven years of experience, he specializes in providing commercial, residential, and automotive locksmith services. Shawn attended California State University, Fullerton. This article has been viewed 184,504 times.

No matter what type of key fob you have, you can replace the battery in a few minutes. The technique to open the fob and the battery you need differs slightly depending on the specific key fob you own. Pry open the fob, then swap the old battery out for a new one. Your key fob should then work as intended once again.

Which Vw Key Battery Do I Need

In order to change a VW key fob battery, you must first figure out which VW key battery to use. If youre unsure about what your key fob needs, the information below may be helpful. A CR1632 battery is required for older VW vehicles with a key fob that resembles a normal Volkswagen car key.

If your VW vehicle was made after 1999, you most likely have a key fob that resembles little pod with buttons on one side. A retractable emergency key should be included as well. If this is the case, then a CR2032 Battery will be required to power the system.

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How To Replace Battery For Vw Key

When your VW key isnt working properly, it can be very annoying. Quite often, this problem is related to a dead battery and can be fixed rather quickly. Getting this problem addressed will save you a ton of hassle. Here is a list of steps to fix the problem.

Before we get to the fix, this solution works with the VW switchblade style key fobs. These are the ones that are rectangular and have a button on the side. When you press down on the button, the metal key will flip out into position similar to a switchblade knife.

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Frequently Asked Questions On Vw Key Fob Battery Replacement

What kind of battery does a Volkswagen key fob use?

For all VW models, changing the key fob battery is simple. Find a tiny screwdriver and a new CR2032 battery before you begin.

Is it necessary to reprogramme a key fob after changing the battery?

Its stored in hard memory and wont be lost or overwritten unless the module is reprogrammed. Even if the battery in your key fob dies, it still functions. After youve determined that your key fobs issue is due to a dead or weak battery, youll need to purchase a new replacement battery.

How long does the battery in a VW key fob last?

According to Freeman, the battery life of most automotive key fobs is three to four years with typical use. He also claims that the location in which you keep your fob might have an impact on its battery life. Freeman advises against keeping the fob in the car or on a hook near it overnight.

How can I tell if the battery on my key fob is low?

A key fob in many automobiles features a small LED light that lights when any of the fob buttons is pressed. The fob battery is dead or there is another problem with the fob if the LED light does not light up at all. If you already have the fob battery out, use a voltmeter to verify its voltage.

Is it possible for a key fob to reprogramme itself?

Do dealerships repair the batteries in key fobs?

Why isnt my VW key fob working?

Is it possible to reprogramme a second hand VW key fob?

How much does it spend to program a key fob?

Vw Key Fob Not Working After Vw Key Fob Battery Replacement

If the VW Key Fob doesnt work after the VW key fob battery replacement, theres a good chance there may be something wrong with the Key Fob.

The key itself may be failing, or there is an interference issue with the electronics. There is a possibility that you can solve this on your own, but it is always best to let an expert handle the job for you.

Electronic components may be difficult to repair if you do not have enough knowledge about what to do or how to fix them correctly. They might also prove dangerous if not handled properly.

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Why Is My Key Fob Not Working After Battery Change

To open the key fob and inspect for damaged contacts or misaligned buttons, you may use basic tools. Replace the automobile key fob if that doesnt work. Another reason your vehicle remote may not function after replacing the battery is the lock. Check for these symptoms to see whether the lock or vehicle door has become faulty.

How To Replace Your Vw Key Fob Battery

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Before going into how to open your VW key fob, here is a list of things youll need:

  • Brand new CR2032 battery
  • Small flathead screwdriver

Seriously, thats it. We advise getting multiple CR2032 batteries so you dont have to go to the store when you need to replace the battery again. On average, a key fob battery, or CR2032, will last anywhere from 3-4 years with normal use.

Before jumping into replacing your VW key fob battery, we have to mention that there are two different types of key fobs: the older model and the newer model. The older VW key fob model has a few more steps to replacing the battery. Its like Volkswagen learned and wanted to make it much easier for their consumers to replace the key bo battery on their own. So lets jump into it.

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Vw Key Fob Battery Replacement In Five Easy Steps

No matter whatever VW model you own, replacing the battery in your key fob is straightforward. Youll need a few things before you get started. A little screwdriver, a new CR2032 battery, and some tape are all youll need. To help protect the fob from harm, wrap the flathead screwdriver with tape. Youre ready to depart after you have these stuff.

  • To keep everything in place, close the remote case securely. The procedure of replacing the parts is now complete.
  • Change out the old battery with a new one. Make sure the positive side is facing down.
  • Find the seam that runs between the lid and the base of your fob. Start separating the two with your fingertips. To pry the components apart, use the screwdriver. You dont want to scratch the key fob at this stage, so be careful.
  • Make sure the key fob is securely in your grip. You may also connect it to a little metal key ring that you can wear on your index finger if you want.
  • Hold the emergency key button on your Volkswagen key fob until it pulls out.
  • How To Start The Vw Car With A Dead Vw Key Fob Battery

    What if you need to get somewhere and your Key fob remote isnt working? Worry not! Youll be able to get to where youre going before getting a battery replacement.

    With VWs keyless entry or push-button entry, the emergency key does not require a battery.

    If your vehicle has a keyless lock or push-button start feature, hold the emergency key beneath the ignition and press it a couple of times to start your engine.

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    Volkswagen Key Fob Battery Replacement Conclusion

    We understand it may be difficult to do this without a visual, so here is a great video on how to replace the battery in your Volkswagen key fob. This is a DIY that you dont need to go to the dealership for. Sure, the dealership probably, hopefully, wont charge you to do this, but why not do it at your home. We hope this guide has helped!

    If you would like to read up on more Volkswagen informational content, here is an article we wrote on What is the DRL light on Volkswagens?

    Replacement Volkswagen Keys & Key Fob Batteries In Spokane Valley

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    Need a new Volkswagen key fob battery? Lost your current Volkswagen key fob and need a new one? The Parts Department at AutoNation Volkswagen Spokane has replacement Volkswagen keys and replacement key fob batteries in stock and available to purchase.

    Our team will gladly help you replace your battery and get your key fob configured with your vehicle again. Feel free to stop by our Volkswagen Parts Department in person or give us a call if you have any questions.

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    Will A Cr2025 Work For A Cr2032

    Consider the battery type if you plan to use the CR2025 and CR2032 in a battery compartment. The resistance wont be a concern regarding CR2025 and CR2032, but you might want to consider if one is appropriate or not based on your devices specifications? You may opt for a higher capacity i.e over 2500mAh concerning either for extended runtime.

    Main Reasons For Vw Key Fob Not Working

    Following are a few reasons why your VW key fob is not working:

  • Remote Has Been Reset:
  • There is a high chance that a car remote was reset during the battery swap. The key fob also can reset once you press certain buttons. So, over one key fob not working may be a good signal that the car key remote has been reset.

    The wearing down of car remote buttons is unavoidable over time. The contacts deliver signals to the circuit board to execute directions when the button is pressed. These buttons might become worn and cause a gap between the contacts. One of the simplest ways to identify worn-out car buttons on car remotes is by repeatedly pressing the buttons.

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    Water, scratches, and other things might cause the automobile key to deteriorate. It is possible that the key fob has been destroyed if it stops operating right after being walked on, dropped in water, or opened.

    Your car remote may not work after changing the battery due to a faulty lock.

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    How To Open A Vw Key Fob & Replace Battery

    To change the battery in your VW key fob, follow these steps:To remove the emergency key, press the button on your Volkswagen key fob. Youll need afirm grasp on your Volkswagen key fob for the next step.If you cant find it, look for a seam between the lid and the base of your Volkswagen key fob.Create a space between the two with your fingers and pull them apart with your fingers and emergency key pops.Replace the battery in your key fob by removing the old one and inserting the new one. The batterys positive terminal is always on the bottom. Reassemble the VW key fob remote, making sure there are no gaps. Tighten key fob case.

    Tips To Avoid Vw Key Fob Problems

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    • Have a Backup Key Available

    If a backup key is available, you can easily determine whether starting problems with your vehicle are due to the key or some other problems. It is always valuable to have a backup key anyway, just in case your keys get lost or damaged unexpectedly.

    • Use a blocking pouch to store your keys.

    A blocking pouch or Faraday bag is an inexpensive technique to keep your key fob from being accessed remotely. It is lined with a metallic material that isolates the fobs radio frequency and stops its transmission to relay devices employed by car thieves.


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    Is It Time To Service Your Volkswagen

    If your key fob battery is dying, it’s a good reminder that it could be time to service your vehicle. If you haven’t had your Volkswagen serviced in the past year, go ahead and make an appointment with our online scheduler. We will replace your key fob battery, change your oil, and perform any other necessary maintenance so you can get back out on the road without any issues!

    Programming A Volkswagen Key Fob

  • Take the key B, insert it into the ignition, and turn it into the on position. Do not turn the engine on or even crank the motor.
  • While the car is in the on position, step out of your Volkswagen and close the driver door. Take key A and insert it into the door lock, turn it to lock the door, and remove key A. Yes, it may be a weird thought to lock the vehicle with a key in the ignition. Keep following along.
  • With key A, hold the unlock button on the fob itself for one second.
  • Once unlocked, open the driver door and turn key B, in the ignition, to the off position. Remove key B from the ignition. Now it should be programmed to your vehicle.
  • To test this, close the driver door and test key B to see if pressing the buttons on the fob unlocks and locks your Volkswagen. If not, repeat steps 1-4 carefully again.
  • If the above steps do not work, reach out to your dealer. They should be able to walk you through the steps to program your new key over the phone. If you dont have a spare key to reprogram, the dealer will have to program your key anyway.

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    How To Program Your Remote

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    Signs You Need To Replace Your Key Fob Battery

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    If your key fob is starting to work intermittently, that’s a good sign the battery is dying. If you have to press the lock/unlock button multiple times to get it to work, then chances are your battery will need to be replaced soon. Of course, if your key fob has completely stopped working, the battery is most likely dead.

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    Older Volkswagen Key Fob Battery Replacement

    Given that the older model key fobs are a little more difficult to replace the battery, well start with it. First, press the button to eject the emergency key. Where the key popped out, there will be a line separating the key fob in two. Simply wedge your small flathead screwdriver in between and wiggle until the fob starts to separate. Once the key fob is separated into two pieces, you can put the top half, or the part that has the emergency key attached, to the side. The other half will also be separated by a line. Use the screwdriver and pry open those pieces until you see the battery. Once the battery is exposed, pry it out with the flathead and replace it with a new CR2032, positive side up.

    Once that is done, now you just have to put the pieces back together and test out your key fob to ensure it took the new battery.

    Vw Key Fob Battery Replacement

    If you are driving a Volkswagen car, you can benefit from all the features and conveniences of your vehicle, such as having a VW Key fob on hand.

    Knowing how to perform a VW key fob battery replacement will come in handy if your VW key fob battery dies out.

    Its good to know that anyone can perform a VW key fob battery replacement efficiently and easily with no costly professional assistance.

    VW key fob batteries do not need to be replaced often. However, a VW key fob battery replacement may be necessary when you find that the battery no longer has the power or ability to power the key fob.

    In this article are steps to safely perform a VW key fob battery replacement.

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    Vw Key Battery Replacement

    A CR2032 3V battery is the first thing youll need to get started. These are little disc-shaped batteries with a circular shape. A tiny flat-blade screwdriver works well for prying out the battery.

    • Press the metal button on the key to open it.
    • Find the battery panel of the key, which is located directly below the Volkswagen logo.
    • Push up on the key fob battery replacement Remove the battery panel from the now-empty key cavity.
    • Locate the battery if necessary.
    • Put force on slot by inserting prying tool.
    • Discard the previous battery.
    • The + symbol should be facing you after installing a new battery.
    • Replace the old battery with the new one by snapping it in place.
    • Replace the battery panel if it has been damaged.
    • Close the window with the key on the left side of the keyboard.
    • The key FOB is now completely functional, so have fun with it!

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