DIY Guide: How to Replace Subaru Car Remote Battery | Battery Replacement Made Easy!

Are you having trouble unlocking or locking your Subaru car’s doors using the remote? Don’t worry; it’s possible that your car remote battery needs replacement. Car key remotes make operations convenient, and it’s essential to maintain them to enjoy their benefits. We understand that not everyone is tech-savvy, and that’s why we have prepared a comprehensive guide to help you replace your Subaru car remote battery without hassles.

Identifying the Type of Battery

The first step in the process of replacing your Subaru car remote battery is identifying the type of battery to purchase. Subaru car remotes usually use a standard CR2032 battery. You can confirm this by opening the cover at the rear of the remote and checking the battery label, which usually indicates the model.

Steps to Replace Battery in Subaru Car Remote

The following are the steps to follow when replacing your battery:

Step 1: Open the Car Remote

Use a small screwdriver or coin to twist or pry open the back cover. Some remote models come with a release button to open the cover. Once open, remove the battery holder, which usually holds the battery in place.

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Step 2: Remove the Old Battery

Before removing the old battery, take note of its orientation as it is crucial. One side should face up while the other should face down. Use a small screwdriver or your fingernail to lift the battery out of the holder and dispose of it safely.

Step 3: Insert the New Battery

Remove the new battery from its packaging and place it in the holder with the correct orientation as noted earlier. Firmly press down the battery to ensure it fits in place.

Step 4: Test the Remote

Put the battery holder back in place and close the remote cover. Test the remote by pressing any button to confirm it’s functioning. If it doesn’t work, it’s possible the new battery isn’t making contact with the remote’s internal circuits. Open the cover again and check the battery placement.


Q: What happens if I insert the battery wrongly?

A: The remote will not work. Before removing the old battery, take note of its orientation to avoid inserting the new battery wrongly.

Q: Can I use any battery for my Subaru car remote?

A: It’s essential to use the correct battery type to prevent damage to the remote. The recommended battery for Subaru car remotes is the CR2032.

Q: Can I reuse the old battery?

A: No, it’s not advisable to use the old battery as it may leak chemicals that can damage the remote.

Q: Do I need to program the remote after replacing the battery?

A: No, you don’t need to program the remote after replacing the battery, as the circuitry retains the previous programming.

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Now that you have a step-by-step guide on how to replace your Subaru car remote battery, it’s easy, right? Replacing your car remote battery doesn’t need technical knowledge; anyone can do it with the right tools and information. Regularly check your car remote’s battery and replace it when necessary to avoid inconveniences. Enjoy the comfort of your Subaru car with functioning remote keys!

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Peter Banks

With years of experience as a professional mechanic and Subaru specialist, Peter is one of the most respected members of our team. He's written several articles on Subaru maintenance and repair, and his advice and tips are always practical and helpful. When he's not working on cars, he enjoys cooking and trying out new recipes.

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