How to Change Battery for Subaru Key Fob

Changing your Subaru key fob battery is a quick and easy process that can save you the hassle of a dead key fob. Knowing how to do it yourself can save you a trip to the dealership and some money. This guide will walk you through the steps for various Subaru models, ensuring you’re back on the road in no time.

Identifying Your Subaru Key Fob Type

Before we dive into the how-to, it’s important to identify the type of key fob you have. Subaru has used a few different designs over the years, each with a slightly different battery replacement procedure. Generally, you’ll find either a traditional key fob with a flip-out key, a smart key fob, or a keyless entry remote. The type of key fob will determine the tools and techniques you’ll need.

How to Change Battery in a Subaru Flip-Key Fob

The flip-key fob is a common type. Here’s how to change the battery:

Locate the small release button or switch on the fob. This is usually located near the key ring.
Press the release button and gently separate the key blade from the fob.
Use a small flathead screwdriver or a similar tool to pry open the fob casing along the seam. Be careful not to damage the plastic.
Identify the battery type. It’s typically a CR2032 or CR2025 battery.
Gently remove the old battery and install the new one, ensuring the positive (+) side is facing up.
Snap the fob casing back together.
Reattach the key blade to the fob.

How to Change the Battery in a Subaru Smart Key Fob

Smart key fobs are a bit more sophisticated, but the battery change process is still manageable. how to change key fob battery subaru Here’s how:

Look for a small notch or slot on the side of the fob.
Insert a small flathead screwdriver or a key into the notch and gently twist to release the emergency key.
Use the emergency key or a similar tool to pry open the fob casing along the seam revealed by the removal of the emergency key.
Locate the battery. It’s usually a CR2032 or similar.
Carefully remove the old battery and replace it with a new one, paying attention to the polarity.
Snap the casing back together and reinsert the emergency key.

how to change the battery in subaru outback key fob

What Type of Battery Does My Subaru Key Fob Use?

Most Subaru key fobs use a CR2032 3-volt lithium battery. This is a common battery type available at most stores. However, it’s always a good idea to double-check your owner’s manual or look at the old battery to confirm the correct type.

Why Is My Subaru Key Fob Not Working After Changing the Battery?

Sometimes, even after changing the battery, your key fob might not work. Here are a few reasons why:

Incorrect Battery Installation: Double-check that the new battery is installed correctly with the positive (+) side facing up.
Programming Issues: In rare cases, the key fob may need to be reprogrammed after a battery change. Consult your owner’s manual or contact a Subaru dealership for assistance.
Faulty Key Fob: If the key fob is damaged internally, it may need to be replaced.

How to Change Battery in 2021 Subaru Key Fob

The process for changing the battery in a 2021 Subaru key fob is similar to other models. You’ll need to identify the key fob type (flip-key or smart key) and follow the corresponding steps outlined above. how to change battery in 2021 subaru key fob

Conclusion

Changing the battery in your Subaru key fob is a simple task that you can do yourself. By following these steps, you can save time and money. Remember to identify your key fob type, use the correct battery, and follow the instructions carefully. Now you know How To Change Battery For Subaru Key Fob.

how to change my subaru key fob battery

FAQ

What type of battery does a Subaru key fob use? (A: Usually a CR2032 3-volt lithium battery.)
How often should I change my Subaru key fob battery? (A: Every 2-3 years, or when you notice decreased range.)
Where can I buy a replacement battery? (A: Most electronics stores, pharmacies, and online retailers.)
Do I need to reprogram my key fob after changing the battery? (A: Usually not, but consult your owner’s manual.)
What if my key fob still doesn’t work after changing the battery? (A: Check the installation, or consult a dealership.)
How can I tell if my Subaru key fob battery is low? (A: Decreased range, dim lights, or inconsistent operation.)
Can I damage my key fob by changing the battery myself? (A: It’s possible if you use excessive force, so be gentle.)

Common Scenarios

Key fob not working at all.
Key fob working intermittently.
Key fob only working at very close range.

Related Resources

How to Program a Subaru Key Fob
Understanding Subaru Keyless Entry Systems
Troubleshooting Common Subaru Key Fob Issues

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