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

If you own a Subaru, you are probably familiar with the key fob that unlocks and starts your car. However, over time, the battery in your key fob will start to wear out and will need to be replaced. In this article, we will provide you with a step-by-step guide on how to change the battery in your Subaru key fob. We will also provide you with tips on how to extend the life of your key fob battery and troubleshoot common issues.

Key Takeaways

  • The battery in your Subaru key fob will need to be replaced over time.
  • Changing the battery in your key fob is a simple process that you can do at home.
  • To extend the life of your key fob battery, avoid exposing it to extreme temperatures and remove it from your key fob when not in use.
  • If you are experiencing issues with your key fob, try replacing the battery first before seeking other solutions.

Step-by-Step Guide

Step 1: Gather Your Materials

Before you begin, you will need to gather a few materials. You will need:

  • A replacement battery. The type of battery you need will depend on the model of your key fob. Check your owner’s manual or look up the battery type online.
  • A small flathead screwdriver or a plastic pry tool. This will be used to open the key fob.
  • A clean surface to work on. This will prevent any small pieces from getting lost.
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Step 2: Open the Key Fob

To open your Subaru key fob, you will need to use a small flathead screwdriver or a plastic pry tool. Insert the tool into the small notch on the side of the key fob and gently pry it open. Be careful not to damage the plastic casing or any of the internal components.

Step 3: Remove the Old Battery

Once the key fob is open, you will see the old battery. Use your screwdriver or pry tool to carefully lift the battery out of its housing. Be careful not to damage the battery or any of the components inside the key fob.

Step 4: Insert the New Battery

Take your new battery and insert it into the housing, making sure that the positive (+) and negative (-) ends are facing the correct way. The battery should fit snugly into its housing.

Step 5: Close the Key Fob

Once the new battery is in place, carefully snap the two halves of the key fob back together. Make sure that the two pieces are securely fastened and that there are no gaps or loose pieces.

Step 6: Test the Key Fob

Once your key fob is reassembled, test it to make sure that it is working properly. Press the buttons to make sure that the key fob is unlocking and locking your car. If it is not working, double-check that the battery is inserted correctly and that the key fob is securely fastened.

Tips for Extending Key Fob Battery Life

  • Avoid exposing your key fob to extreme temperatures. This can cause the battery to drain more quickly.
  • Remove the battery from your key fob when it is not in use. This can help to extend the life of the battery.
  • If your key fob is not working, try replacing the battery before seeking other solutions. A dead battery is often the cause of key fob issues.
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Troubleshooting Common Issues

My key fob is not working, even after I replaced the battery. What should I do?

If your key fob is not working, even after you replaced the battery, there may be another issue with the key fob or your car’s security system. In this case, you should consult your owner’s manual or take your car to a Subaru dealership for further assistance.

My key fob is not unlocking my car. What should I do?

If your key fob is not unlocking your car, try standing closer to your car and pressing the button again. If this does not work, your key fob may need to be reprogrammed or there may be an issue with your car’s security system. Again, consult your owner’s manual or take your car to a Subaru dealership for further assistance.

Conclusion

Changing the battery in your Subaru key fob is a simple process that you can do at home. By following these steps, you can save time and money on a trip to the dealership. Remember to use caution when opening your key fob and be sure to insert the new battery correctly. By taking care of your key fob and following our tips for extending battery life, you can ensure that it will continue to work properly for years to come.

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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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