How to Replace Subaru Key Fob Battery: Simple Steps Guide

Ever found yourself stranded outside your Subaru, desperately clicking your key fob, only to realize the battery is dead? It happens to the best of us. But fret not, because in this article, we’ve got your back.

Imagine effortlessly unlocking your car with just a push of a button, no more fumbling with keys or worrying about being locked out. That’s the convenience a properly functioning key fob brings.

Step-by-Step Guide to Replace Battery in Subaru Key Fob

Replacing the battery in your Subaru key fob is a simple task that can save you time and hassle in the long run. Here’s a step-by-step guide to help you through the process:

  • Step 1: Locate the seam on your key fob.
  • Step 2: Use a small flathead screwdriver or a coin to gently pry open the key fob.
  • Step 3: Once open, carefully remove the old battery.
  • Step 4: Take note of the battery type, usually a CR2032 lithium coin cell.
  • Step 5: Insert the new battery with the positive side facing up.
  • Step 6: Double-check that the battery is securely in place.
  • Step 7: Close the key fob by aligning the cover and pressing it back together until you hear a click.

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With these simple steps, you can keep your Subaru key fob functioning smoothly and avoid any unexpected lockout situations.

Things You Will Need

  • New CR2032 lithium coin cell battery
  • Small flat-head screwdriver or a coin

  • Keep a clean, well-lit workspace to prevent losing small parts.

Identifying the Type of Key Fob Battery

When it comes to replacing the battery in your Subaru key fob, the first step is identifying the type of battery your key fob uses. Here’s how you can do it:

  • Look for the battery cover on your key fob. It’s usually located at the back of the fob.
  • Typically, Subaru key fobs use a CR2032 lithium coin cell battery. You can find this information in your vehicle’s owner’s manual as well.
  • If you’re unsure about the battery type, you can remove the current battery and check the markings on it to determine the correct replacement.

It’s essential to use the right battery for your key fob to ensure proper functioning. Now that you know how to identify the type of key fob battery, let’s move on to the next steps in the battery replacement process.

Opening the Subaru Key Fob

When you’re ready to open your Subaru key fob, make sure you have good lighting and a small flathead screwdriver handy.

Here’s how you can easily open your key fob:

  • Locate the Seam: Look for a small seam along the edge of the key fob.
  • Insert the Screwdriver: Gently insert the screwdriver into the seam and carefully twist to pop open the key fob.
  • Be Patient: Take your time to avoid damaging the key fob or losing any parts inside.

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With the key fob open, you’re one step closer to replacing the battery.

Replacing the Battery

When it comes to Replacing the Battery in your Subaru key fob, the process is straightforward. Here’s a simple guide to help you through it:

  • Locate the battery: Once the key fob is open, identify the battery placement.
  • Remove the old battery: Carefully take out the old battery, noting its position.
  • Insert the new battery: Place the new battery into the correct slot, ensuring it’s secure.
  • Close the key fob: Gently snap the key fob back together, ensuring all parts align.

Remember, patience is key to avoiding any mishaps during the battery replacement process.


And there you have it – a straightforward guide on replacing the battery in your Subaru key fob. Remember to take your time and follow the steps carefully to avoid any issues. By locating the battery, swapping it out, and reassembling the key fob, you can ensure your key fob continues to work smoothly. With a little patience, you’ll have your key fob ready to go in no time. Happy key fob maintenance!

Frequently Asked Questions

How do I replace the battery in my Subaru key fob?

To replace the battery in your Subaru key fob, locate the battery compartment, remove the old battery, insert the new battery properly, and ensure the key fob is closed securely.

Why is patience important when replacing the key fob battery?

Patience is crucial during the battery replacement process to avoid any mistakes and ensure all parts align correctly. Rushing may lead to alignment issues or damaging the key fob components.

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What should I do if the key fob doesn’t work after replacing the battery?

If the key fob doesn’t work after battery replacement, double-check the battery orientation and ensure it is inserted correctly. If the issue persists, consider trying a new battery or seek professional assistance.

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

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