How to Replace Subaru Key Fob Battery: Step-by-Step Guide

Ever found yourself locked out of your Subaru because the key fob decided to play hide and seek with its battery life? Frustrating, right? Don’t worry, you’re not alone. But what if you could easily swap out that battery yourself and avoid those unexpected lockouts altogether? Imagine the convenience and peace of mind that comes with mastering this simple DIY task. In this article, we’ll show you the ropes on changing the battery in your Subaru key fob. Get ready to bid farewell to those stressful moments of fumbling for your keys!

Step 1: Gather the necessary tools

Before you begin, make sure you have these tools on hand:

  • Replacement battery: Ensure it’s the correct type for your Subaru key fob.
  • Small flat-head screwdriver: To open the fob case without causing damage.
  • Tweezers or needle-nose pliers: Useful for handling the small battery with precision.

Having these tools ready will make the battery replacement process smooth and hassle-free.

Step 2: Open the key fob

To change the battery in your Subaru key fob, the next step is to open the key fob. Here’s how to do it:

  1. Hold the key fob in your hand with the buttons facing down.
  2. Locate the small notch on the side of the key fob.
  3. Insert a small flat-head screwdriver or a coin into the notch.
  4. Gently twist or pry the case open. It should easily separate into two parts.
  5. Be careful not to damage the key fob or the internal components while opening it.

Click here to preview your posts with PRO themes ››

Ensure you open the key fob gently to avoid any damage. Next, we’ll move on to the next step in replacing the battery.

Step 3: Remove the old battery

Once you’ve safely opened the key fob, it’s time to remove the old battery. Here’s how you can do it:

  • Look for the battery inside the key fob.
  • Carefully take out the old battery.
  • Make sure to dispose of the old battery properly – don’t throw it in the trash!

Follow these simple steps to ensure a smooth battery replacement process.

Step 4: Insert the new battery

It’s time to insert the new battery into your Subaru key fob. Follow these simple steps to complete the replacement process smoothly:

  • Check the Battery Type: Before inserting the new battery, ensure it’s the correct type and size for your key fob.
  • Position the Battery: Place the new battery in the same position and orientation as the old one. Make sure it fits securely.
  • Close the Key Fob: Once the new battery is in place, carefully close the key fob. Ensure it snaps shut properly.

Remember, proper insertion of the new battery is key to ensuring your Subaru key fob functions correctly.

Step 5: Close the key fob

To complete the battery replacement process for your Subaru key fob, close the key fob securely. This step is vital to ensure that the internal components are protected and that the key fob functions correctly.

Here are the key steps to close the key fob properly:

  • Align the Cover: Make sure the cover is correctly positioned over the internal components.
  • Press Firmly: Apply gentle pressure and ensure that the cover snaps back into place.
  • Check for Gaps: Inspect the edges of the key fob to ensure there are no gaps between the cover and the body.

Click here to preview your posts with PRO themes ››

Remember, a secure closure is essential to prevent dust, moisture, or debris from entering the key fob and potentially causing damage.

Follow these steps carefully to complete the battery replacement process for your Subaru key fob successfully.


That’s it! By following these simple steps, you can easily replace the battery in your Subaru key fob. Remember to double-check the battery type, position it correctly, and securely close the fob. Ensuring a tight seal is crucial to protect the internal components. Keep your key fob functioning smoothly by aligning the cover, applying firm pressure, and checking for any gaps. Taking these precautions will help safeguard your key fob from potential damage. Happy driving with your freshly powered-up Subaru key fob!

Frequently Asked Questions

How do I insert a new battery into my Subaru key fob?

To insert a new battery into your Subaru key fob, ensure to check the battery type and size. Position the new battery correctly, aligning the positive and negative sides as indicated. Close the key fob securely to avoid any issues with functionality.

What are the crucial steps for closing the key fob after replacing the battery?

After replacing the battery, ensure to align the key fob cover properly. Apply firm pressure when closing it to secure the internal components. Check for any gaps to prevent dust, moisture, or debris from entering and potentially damaging the key fob.

Click here to preview your posts with PRO themes ››

Battery industry professional with 5+ years of experience. Bachelor of Science in Electrical Engineering from Georgia Tech. Specializes in power systems and renewable energy.

Leave a Comment

Send this to a friend