The Ultimate Guide to Taking Apart Your Subaru Key Fob: Tips and Tricks for Troubleshooting and Repair

If you own a Subaru car, chances are you also have a key fob that lets you remotely lock and unlock your door, and in some cases, also start your vehicle. While key fobs are a convenient and helpful tool, they can also experience issues from time to time that require you to take them apart and troubleshoot the problem. In this article, we will provide a detailed step-by-step guide to taking apart your Subaru key fob and fixing any common problems you may encounter.

Tools needed to take apart the key fob

Before you get started, there are a few essential tools you will need to take apart your Subaru key fob. These include a small flathead screwdriver, a small Phillips screwdriver, and a set of pliers. It’s also recommended to have a pair of thin gloves to protect your hands during the process.

How to remove the battery from the key fob

The first step in taking apart your Subaru key fob is to remove the battery. To do this, locate the small notch on the edge of the key fob (it’s usually on the narrow end of the key fob). Insert the flathead screwdriver into the notch and gently pry the two halves of the key fob apart. Use the pliers to carefully remove the battery from the circuit board.

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How to remove the circuit board from the key fob

Once you’ve removed the battery, you should be able to see the circuit board inside the key fob. Use the Phillips screwdriver to remove the small screws that are holding the circuit board in place. Some key fobs might have a few additional screws, so make sure you carefully inspect the board to ensure you remove all screws.

How to replace the key fob case

If you need to replace the key fob’s case due to damage or wear and tear, you can easily find replacements online or at a Subaru dealership. To replace the case, carefully remove the circuit board from the old case and insert it into the new one. Make sure to line up the buttons on the circuit board with the corresponding buttons on the new case.

How to reassemble the key fob

Once you’ve made any necessary repairs or replacements, it’s time to reassemble the key fob. Start by aligning the two halves of the key fob together and gently pressing them together. You should hear a satisfying click when the key fob is securely closed. Finally, insert the battery back into the key fob and test it out to ensure it’s working correctly.


Q: Can I program my Subaru key fob myself?
A: Depending on the model of your Subaru, you may be able to program your key fob yourself using the instructions in the owner’s manual or by contacting a certified Subaru dealership.

Q: How often do I need to replace the battery in my Subaru key fob?
A: The battery in your Subaru key fob should last for several years, but it’s a good idea to replace it every three to four years to ensure it continues to work correctly.

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Q: Can I fix a water-damaged Subaru key fob?
A: If your key fob has been exposed to water damage, it may not be repairable. However, you can try drying it out with a hairdryer and cleaning the circuit board with rubbing alcohol to see if that helps.

In conclusion, taking apart your Subaru key fob is a manageable task that can help you troubleshoot common issues such as a dead battery or a malfunctioning circuit board. By following these simple steps, you can fix your key fob and get it working like new again in no time. Remember to take your time, use the right tools and stay patient throughout the process, and you’ll be rewarded with a fully functional key fob that will make your life much easier!

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Alton Brobst

As a longtime Subaru enthusiast, Alton brings a wealth of knowledge and experience to our blog. From his early days of tinkering with engines to his current role as a certified Subaru technician, Alton has seen it all when it comes to Subarus. When he's not working on cars, he enjoys hiking and exploring the great outdoors.

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