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    Navigation: Home » Car Batteries » How to Replace Your Subaru Key Fob Battery Like a Pro: Step-by-Step Guide
    Car Batteries

    How to Replace Your Subaru Key Fob Battery Like a Pro: Step-by-Step Guide

    Jackson DoyleBy Jackson DoyleOctober 8, 20246 Mins Read
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    Ever found yourself locked out of your Subaru because the key fob battery died at the worst possible moment? Frustrating, right? Well, worry no more! In this article, you’ll learn a quick and easy solution to keep those key fobs working like a charm. No more last-minute dashes to the dealership or fumbling with keys in the rain. You’ll be back in your Subaru with a simple battery swap.

    Table of Contents

    Toggle
    • Step 1: Gather Materials
    • Step 2: Locate the Battery Compartment
    • Step 3: Remove the Old Battery
    • Step 4: Insert the New Battery
    • Step 5: Test the Key Fob
    • Extra Tips for Key Fob Maintenance
    • Conclusion
    • Frequently Asked Questions
    • How do I properly insert a new CR2032 battery into my Subaru key fob?
    • Why is alignment important when replacing the key fob battery?
    • What should I do after replacing the key fob battery?
    • What maintenance tips can help prolong the key fob's lifespan?
    • How often should I replace the battery in my Subaru key fob?

    Step 1: Gather Materials

    To change the battery on your Subaru key fob, you’ll need a few essential items. Make sure to gather the following materials before you begin:

    • New Battery: Purchase a CR2032 battery, commonly used in key fobs.
    • Small Flathead Screwdriver: This will help you open the key fob without causing damage.
    • Cloth or Tissue: Use this to prevent scratches on your key fob while working on it.

    Remember, having all the necessary materials ready will make the battery replacement process smooth and hassle-free.

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    Duracell 2032 Lithium Battery, 4 Count, AirTag & Key Fob, CR2032 3V Cell
    Duracell 2032 Lithium Battery, 4 Count, AirTag & Key Fob, CR2032 3V Cell

    COMPATIBLE WITH AIRTAG & KEY FOBS: Works with Apple AirTag, all major car key fobs (Toyota, Honda, BMW, Ford, Chevrolet, Lexus), fitness trackers, glucose monitors, tire pressure sensors, and any CR2032 / 3V lithium coin battery device.

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    Duracell 2032 Lithium Battery, 2 Count, AirTag & Key Fob, CR2032 3V Cell
    Duracell 2032 Lithium Battery, 2 Count, AirTag & Key Fob, CR2032 3V Cell

    COMPATIBLE WITH AIRTAG & KEY FOBS: Works with Apple AirTag, all major car key fobs (Toyota, Honda, BMW, Ford, Chevrolet, Lexus), fitness trackers, glucose monitors, tire pressure sensors, and any CR2032 / 3V lithium coin battery device.

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    Key Fob Replacement Batteries for Subaru, Pack of 2
    Key Fob Replacement Batteries for Subaru, Pack of 2

    **Please confirm compatibility using the fitment guide located in the product images**

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    Step 2: Locate the Battery Compartment

    When changing the battery in your Subaru key fob, the next step is to find the battery compartment. Here’s how you can do it:

    • Look for a small slot on the key fob.
    • Insert a flathead screwdriver into the slot.
    • Gently twist the screwdriver to pop open the key fob.

    In the key fob, you’ll see the battery compartment where the CR2032 battery is housed.

    Step 3: Remove the Old Battery

    • Locate the battery compartment inside the key fob.
    • Gently pop out the old battery using a small tool.
    • Dispose of the old battery responsibly.
    • Avoid using excessive force to prevent damage.
    • Ensure the battery is properly oriented when placing the new one in.
    • Test the key fob after battery replacement to confirm functionality.
    Key PointsDetails
    Battery TypeCR2032
    Handling TipAvoid touching the battery terminals with bare hands.

    Step 4: Insert the New Battery

    Are you ready to insert the new battery into your Subaru key fob? Here are the next steps to complete the battery replacement process successfully:

    • Take your new CR2032 battery. Ensure it’s the right type for your key fob.
    • Position the new battery correctly. Match the positive (+) and negative (-) symbols as indicated in the compartment.
    • Gently place the new battery where the old one was removed. Make sure it sits snugly in place.
    • Avoid touching the battery terminals. Handling it properly ensures optimal performance.

    Remember, inserting the new battery correctly is critical for the key fob to function correctly. Let’s move on to the final steps to complete the replacement process.

    Recommended Products

    Key Fob Battery Replacement for Subaru CR2032, Pack of 2
    Key Fob Battery Replacement for Subaru CR2032, Pack of 2

    Check Compatibility First – Please confirm fitment using the fitment guide in the product images. Designed for Subaru smart key fobs (2015–2025). Not compatible with standard Subaru keys with a physical key blade. Some pre-2015 models may also be supported—verify before purchase.

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    Energizer CR2032 Batteries (10 Pack), 3V Lithium Coin Batteries
    Energizer CR2032 Batteries (10 Pack), 3V Lithium Coin Batteries

    3V LITHIUM COIN 2032 BATTERY PACK: One 10 pack of Energizer lithium 2032 Batteries. Packaging may vary

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    Duracell 2032 Lithium Battery, 9 Count, AirTag & Key Fob, CR2032 3V Cell
    Duracell 2032 Lithium Battery, 9 Count, AirTag & Key Fob, CR2032 3V Cell

    COMPATIBLE WITH AIRTAG & KEY FOBS: Works with Apple AirTag, all major car key fobs (Toyota, Honda, BMW, Ford, Chevrolet, Lexus), fitness trackers, glucose monitors, tire pressure sensors, and any CR2032 / 3V lithium coin battery device.

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    Step 5: Test the Key Fob

    Now that you’ve successfully inserted the new CR2032 battery into your Subaru key fob, it’s time to test if it’s working correctly. Follow these simple steps to ensure everything is in order:

    • Check Button Functions: Press each button on the key fob to verify that they are responding as expected. Ensure the functions like locking, unlocking, and trunk release are working properly.
    • Test Remote Start (If Applicable): If your key fob has a remote start feature, test it to see if it activates the engine from a distance. This is a handy function to confirm for your convenience.
    • Check Signal Range: Walk a few feet away from your vehicle and test the key fob’s signal range. Make sure the key fob can still communicate with your car from a reasonable distance.
    • Replace Key Fob Case (If Necessary): If your key fob case was damaged during battery replacement, consider replacing it. A cracked or faulty case can impact the key fob’s overall functionality.
    • Seek Professional Help (If Issues Persist): If you experience any ongoing problems with your key fob despite battery replacement, it might be time to consult a professional locksmith or Subaru dealership for assistance.

    Testing your key fob after a battery replacement is crucial to ensure it operates smoothly and reliably. Once you confirm that everything is working correctly, you can enjoy the convenience and security that your Subaru key fob provides.

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    Key Fob Battery Replacement for Subaru CR2032 Batteries Two Pack
    Key Fob Battery Replacement for Subaru CR2032 Batteries Two Pack

    Elite Batteries Replacement are compatible with 2015-2025 Subaru smart key fobs. Not compatible with Subaru key fobs with key sticking out of the fob. May be compatible with key fobs prior to 2015 (check photo aguide).

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    CR2032 Key Fob Battery Replacement (2 Pack)
    CR2032 Key Fob Battery Replacement (2 Pack)

    BROAD COMPATIBILITY ACROSS BRANDS - Compatible with all major car brands, fits with TOYOTA, VOLKSWAGEN, HONDA, CHEVY, BMW, HYUNDAI, KIA, FORD, LEXUS, JEEP, AND ALL OTHERS. Most of the car key fobs use this type of CR2032 batteries. Direct battery replacement for your key fob.

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    uuam Subaru Key Fob Battery Replacement CR2032 (Pack of 2)
    uuam Subaru Key Fob Battery Replacement CR2032 (Pack of 2)

    Pack Including: Two (2) Pieces CR2032 Remote Key Fob Batteries and Opening/Pry Tools - Five item bundle (total 5pcs), Please check Amazon details Confirmed Fit to ensure that this is the correct battery for your remote.

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    Extra Tips for Key Fob Maintenance

    To keep your Subaru key fob in top shape, here are some additional tips for maintenance:

    • Clean Regularly: Wipe the key fob with a damp cloth to remove dirt and grime from the buttons and surfaces.
    • Avoid Extreme Temperatures: Extreme heat or cold can affect battery performance and overall key fob function.
    • Keep Away from Water: Protect your key fob from water exposure to prevent internal damage.
    • Inspect Regularly: Check for any physical damage or wear and tear on the key fob casing.
    • Replace Batteries Promptly: When you notice a decrease in key fob responsiveness, it might be time to replace the battery.

    Remember, proper maintenance will help extend the lifespan of your Subaru key fob and ensure reliable operation when you need it most.

    Conclusion

    That’s it! By following these simple steps and taking good care of your Subaru key fob, you can ensure that it stays in top condition. Remember to replace the battery regularly, keep it clean, and protect it from extreme conditions. Your key fob plays a crucial role in your daily life, so a little maintenance goes a long way in keeping it functioning smoothly. Enjoy the convenience and peace of mind that a well-maintained key fob brings!

    Frequently Asked Questions

    How do I properly insert a new CR2032 battery into my Subaru key fob?

    To insert a new CR2032 battery into your Subaru key fob, locate the battery compartment, carefully open it using a small screwdriver, remove the old battery, place the new battery with the correct polarity (+ and – signs facing the right way), and securely close the compartment.

    Why is alignment important when replacing the key fob battery?

    Alignment is crucial when replacing the key fob battery to ensure proper contact and functioning. Misalignment can lead to battery drainage, poor connection, and key fob malfunction.

    What should I do after replacing the key fob battery?

    After replacing the key fob battery, test the key fob to ensure it works properly by pressing the buttons. If issues persist, recheck the battery alignment or consult a professional.

    What maintenance tips can help prolong the key fob’s lifespan?

    To prolong your key fob’s lifespan, regularly clean it with a soft cloth, avoid exposing it to extreme temperatures or water, inspect it for physical damage, and promptly replace batteries when needed.

    How often should I replace the battery in my Subaru key fob?

    It is recommended to replace the battery in your Subaru key fob every 1-2 years, depending on usage and the battery’s condition. Regularly checking the battery and key fob performance helps prevent unexpected failures.

    Share. Facebook Twitter Pinterest LinkedIn Tumblr Email WhatsApp Copy Link
    Jackson-Doyle
    Jackson Doyle

      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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