Replace Battery VW Key Fob: A Guide

Volkswagen key fobs are an essential part of owning a Volkswagen car. They make it easy for you to lock and unlock your car remotely, and they can even start the engine without inserting the key into the ignition. However, like all electronic devices, the battery in your VW key fob will eventually run out of power. When this happens, you’ll need to replace the battery to keep your key fob working properly.

What You’ll Need

Replace Battery VW Key Fob: A GuideSource: bing.com

Before you begin, you’ll need to gather a few things. You’ll need a replacement battery for your VW key fob, a small screwdriver, and a soft cloth. You can buy replacement batteries for your VW key fob at most auto parts stores or online. Make sure to get the correct sized battery for your key fob, as different models may require different battery sizes.

Step 1: Open Your VW Key Fob

Open Vw Key FobSource: bing.com

The first step in replacing the battery in your VW key fob is to open the key fob. To do this, you’ll need to use a small screwdriver to pry open the back cover of the key fob. Be careful not to scratch the key fob or damage the cover when you do this.

Step 2: Remove the Old Battery

Remove Battery Vw Key FobSource: bing.com

Once you’ve opened the key fob, you’ll see the old battery inside. Use the small screwdriver to carefully remove the old battery from the key fob. Be careful not to touch the metal contacts on the battery or inside the key fob, as this can cause damage or interference with the electrical system.

Step 3: Insert the New Battery

Insert New Battery Vw Key FobSource: bing.com

With the old battery removed, you can now insert the new battery into the key fob. Make sure to insert the battery with the positive (+) side facing up. Press the battery gently into place until it clicks into the holder.

Step 4: Close the Key Fob

Close Vw Key FobSource: bing.com

Once you’ve inserted the new battery, you can now close the key fob. Make sure that the back cover is properly aligned with the key fob and press it firmly into place. You should hear a click when the cover snaps into place.

Step 5: Test the Key Fob

Test Vw Key FobSource: bing.com

With the new battery inserted and the key fob closed, you can now test the key fob to make sure it’s working properly. Press the buttons on the key fob to lock and unlock the car and check that the LED light on the key fob blinks when you press the buttons. If the key fob isn’t working properly, you may need to repeat the steps above or consult with a professional mechanic.

Tips for Maintaining Your VW Key Fob

Maintain Vw Key FobSource: bing.com

To prevent your VW key fob from running out of battery too quickly, there are a few tips you can follow to maintain it:

  • Keep your key fob away from water and moisture, as this can cause damage to the electrical components.
  • Replace the battery in your key fob every few years, even if it hasn’t run out of power yet. This will help prevent the battery from leaking and damaging the key fob.
  • Don’t expose your key fob to extreme temperatures or direct sunlight, as this can damage the battery and other components of the key fob.
  • If your key fob isn’t working properly, try replacing the battery before consulting with a professional mechanic.


Replacing the battery in your Volkswagen key fob is a simple and easy process that can be completed in just a few minutes. By following the steps above and maintaining your key fob properly, you can ensure that it will continue to work properly for years to come. If you have any questions or concerns about your Volkswagen key fob, be sure to consult with a professional mechanic or Volkswagen dealership.

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