How to Change Battery in Subaru Key Fob

Knowing how to change battery in Subaru key fob is a simple skill that can save you time and money. A dying key fob battery can lead to frustrating situations like being locked out of your car or having to use the physical key. This guide will walk you through the process, providing clear instructions and helpful tips for various Subaru models. change battery subaru key fob 2021

Identifying a Low Key Fob Battery

Several signs indicate a low key fob battery. Decreased range is a common one; you might find yourself having to stand closer to your car than usual to lock or unlock it. Another sign is a weaker key fob signal; the lights might flash dimly or the car might not respond at all. Sometimes, you’ll see a warning light on your dashboard indicating a low key fob battery.

Gathering Your Tools and Materials

Changing your Subaru key fob battery is a quick process. You’ll need a new CR2032 battery, a small flathead screwdriver or a similar tool to pry open the key fob, and optionally, a small container to keep the screws organized.

Tools for Subaru Key Fob Battery Replacement

Step-by-Step Guide: How to Change Battery in Subaru Key Fob

The specific steps might vary slightly depending on your Subaru model, but the general process is similar.

Locate the release button or notch: Look for a small button or notch on the key fob. This is usually located on the side or back.
Release the emergency key: Press the release button and slide out the emergency key.
Open the key fob: Carefully insert the flathead screwdriver into the notch or seam where the two halves of the key fob meet. Gently pry the key fob open.
Remove the old battery: Once the key fob is open, you should see the CR2032 battery. Carefully remove it.
Install the new battery: Place the new CR2032 battery in the compartment, ensuring the positive (+) side is facing up, just like the old battery.
Close the key fob: Align the two halves of the key fob and press them together until they snap shut.
Test the key fob: Try locking and unlocking your car to ensure the new battery is working correctly.

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Common Issues and Troubleshooting

Sometimes, you might encounter a few hiccups. If the key fob still doesn’t work after replacing the battery, try these troubleshooting steps:

Check the battery orientation: Ensure the new battery is installed correctly with the positive (+) side facing up.
Clean the battery contacts: Use a cotton swab and rubbing alcohol to clean the battery contacts inside the key fob.
Resynchronize the key fob: Consult your owner’s manual for instructions on how to resynchronize your key fob to your car. This process usually involves inserting the key into the ignition and following a specific sequence of steps.

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How long does a Subaru key fob battery last?

Subaru key fob batteries typically last between 2 to 5 years, depending on usage and environmental factors.

What type of battery does a Subaru key fob use?

Subaru key fobs use a CR2032 battery, a common lithium coin cell battery.

Where can I buy a replacement battery for my Subaru key fob?

CR2032 batteries are readily available at most electronics stores, pharmacies, and online retailers.

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Conclusion

Knowing how to change battery in Subaru key fob is an essential skill for any Subaru owner. By following these simple steps, you can quickly replace your key fob battery and avoid the inconvenience of a dead key fob. This simple maintenance task can save you time and money in the long run.

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FAQ

Can I damage my key fob by changing the battery myself? It’s unlikely, but be careful when prying open the key fob to avoid breaking any plastic parts.
What if my key fob still doesn’t work after replacing the battery? Try cleaning the battery contacts or resynchronizing the key fob with your car. If it still doesn’t work, consult a qualified automotive locksmith or your Subaru dealer.

Common Situations:

Key fob intermittently working: This usually indicates a low battery.
Key fob completely unresponsive: This could be a dead battery or a more serious issue with the key fob.

Related Resources:

Check out our other articles on KEYFOBPROG for more information about Key Fob Programming and other automotive services.

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