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How to Change a Subaru Key Fob Battery

Tools Needed for Subaru Key Fob Battery Change

Changing your Subaru key fob battery is a quick and easy process that can save you the hassle of a dead key fob. Whether you have a newer model or an older one, this guide will walk you through the steps to get your key fob back in working order.

Replacing your key fob battery is a simple DIY task that can be completed in minutes. It’s significantly cheaper than going to a dealership and a great way to keep your Subaru running smoothly.

Identifying Your Subaru Key Fob Type

Subaru uses a few different key fob designs, so it’s essential to identify your specific type before starting. Older models generally have a physical key separate from the fob, while newer models often have a switchblade key integrated into the fob. Knowing your key fob type will help you locate the battery compartment and choose the correct replacement battery.

Knowing which type of key fob you have ensures you use the correct method for opening it and prevents accidental damage. It also helps you purchase the correct replacement battery, saving you a trip back to the store.

Gathering the Necessary Tools

Before you begin, gather the following:

  • A new CR2032 battery: This is the most common battery type for Subaru key fobs.
  • A small flathead screwdriver or similar tool for prying open the key fob.
  • Optional: A small tray or container to hold the screws and battery.

Having all your tools ready beforehand will streamline the process and make the battery change much smoother.

Tools Needed for Subaru Key Fob Battery ChangeTools Needed for Subaru Key Fob Battery Change

Step-by-Step Guide to Changing the Battery

For Traditional Key Fobs (Separate Key):

  1. Locate the small notch or slot on the side of the key fob.
  2. Insert the flathead screwdriver into the notch and gently pry open the key fob casing.
  3. Identify the CR2032 battery.
  4. Carefully remove the old battery.
  5. Insert the new CR2032 battery, ensuring the positive (+) side faces up.
  6. Snap the key fob casing back together.

For Switchblade Key Fobs:

  1. Locate the small release button or switch on the key fob.
  2. Press the button and slide out the valet key.
  3. Use the valet key or a small flathead screwdriver to pry open the key fob at the seam.
  4. Follow steps 3-6 from the instructions for traditional key fobs.

Troubleshooting Common Issues

Sometimes, even after changing the battery, the key fob might not work correctly. Here are a few troubleshooting tips:

  • Check the battery orientation: Make sure the positive (+) side of the battery is facing up.
  • Clean the battery contacts: Use a cotton swab and rubbing alcohol to clean the battery contacts inside the key fob.
  • Try reprogramming the key fob: Consult your Subaru owner’s manual for instructions on how to reprogram your key fob. Sometimes this is necessary after a battery change.

If you continue to experience issues, it might be necessary to consult a qualified automotive technician. They can diagnose any underlying problems and ensure your key fob is functioning correctly. my car wont start and it’s not the battery

“Regularly changing your key fob battery prevents inconvenient lockouts and ensures your Subaru remains reliable,” advises John Smith, Senior Automotive Technician at Smith Automotive Solutions.

Why Change Your Key Fob Battery at Home?

Changing your Subaru key fob battery at home is a simple, cost-effective solution. Dealerships often charge a premium for this service, while you can purchase replacement batteries for a fraction of the cost.

“Changing the key fob battery yourself empowers Subaru owners to take control of their vehicle maintenance and avoid unnecessary expenses,” adds Sarah Jones, Lead Technician at Jones Auto Repair.

Conclusion

Changing your Subaru key fob battery is a straightforward process that you can easily accomplish at home. Following this guide and with a bit of patience, you can keep your key fob functioning perfectly and avoid the inconvenience and expense of a dead battery. Don’t let a dead key fob ruin your day; change the battery today!

FAQ

  1. How often should I change my Subaru key fob battery? Every 2-3 years is a good rule of thumb, but it can vary depending on usage.

  2. What type of battery does a Subaru key fob use? Most Subaru key fobs use a CR2032 battery.

  3. Where can I buy a CR2032 battery? Most electronics stores, pharmacies, and online retailers sell CR2032 batteries.

  4. Do I need to reprogram my key fob after changing the battery? Usually not, but consult your owner’s manual, just in case.

  5. What if my key fob still doesn’t work after changing the battery? Check the battery orientation, clean the contacts, or try reprogramming the key fob. If problems persist, consult a qualified technician.

  6. Can I damage my key fob by changing the battery myself? As long as you’re careful and follow the instructions, you shouldn’t damage your key fob.

  7. Is it cheaper to change the battery myself or go to the dealership? It’s significantly cheaper to change the battery yourself.

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