How to Replace Battery in 2018 Subaru Outback Key Fob

Replacing the battery in your 2018 Subaru Outback key fob is a quick and easy process that can save you time and money. Knowing how to perform this simple task yourself avoids the inconvenience of a non-functional key fob and a potential trip to the dealership. This guide will walk you through the steps to replace the battery in your 2018 Subaru Outback key fob.

A dead key fob battery can leave you stranded, so it’s crucial to know how to change it. This guide provides a simple, step-by-step process for replacing the battery in your 2018 Subaru Outback key fob. Learn how to do it yourself and avoid the hassle and expense of a locksmith or dealership visit. You can find more information about Subaru key with fob on our website.

Identifying the Right Battery for Your 2018 Subaru Outback Key Fob

Before you begin, it’s important to identify the correct battery type. The 2018 Subaru Outback key fob uses a CR2032 battery, a common type readily available at most stores. Ensure you purchase a high-quality battery to ensure its longevity and prevent potential issues with your key fob. Using the wrong battery type can damage your key fob.

Gathering the Necessary Tools

The process requires minimal tools. You will need a small flathead screwdriver or a key. These tools are usually readily available around the house. If you need a new key fob case for your Subaru Outback, you can find it here: key fob case for Subaru Outback 2018.

Step-by-Step Guide to Replacing the Battery

Locate the release button: On the side of your key fob, you will find a small release button. This button unlocks the emergency key blade.
Release the key blade: Press the release button and slide the emergency key blade out.
Open the key fob casing: Insert the flathead screwdriver or the tip of the key blade into the slot revealed by removing the emergency key. Gently pry open the key fob casing. Be careful not to damage the internal components.
Remove the old battery: Once the casing is open, you will see the CR2032 battery. Carefully remove the old battery by gently prying it out with your screwdriver or key.
Install the new battery: Place the new CR2032 battery into the compartment, ensuring the positive (+) side is facing upwards.
Close the key fob casing: Align the two halves of the key fob casing and press them together until they snap shut.
Reinsert the emergency key blade: Slide the emergency key blade back into its slot.

Testing Your Key Fob

After replacing the battery, test all the functions of your key fob, including locking and unlocking the doors and starting the engine, to ensure it is working correctly. If your key fob is still not functioning, it might be a problem other than the battery.

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Common Issues and Troubleshooting

Sometimes, even after replacing the battery, the key fob might not work. This could be due to a few reasons:

Incorrect battery installation: Double-check that the new battery is installed correctly with the positive (+) side facing up.
Damaged key fob: If the key fob has been dropped or damaged, it might need to be replaced.
Programming issues: In rare cases, the key fob might need to be reprogrammed. You can find more information on the correct battery for your Subaru key fob here: battery for a subaru key fob.

Tips for Maintaining Your Key Fob Battery

Avoid extreme temperatures: Extreme heat or cold can affect battery life.
Keep your key fob dry: Moisture can damage the key fob and the battery.
Check your battery regularly: Replace the battery every 1-2 years as a preventative measure. Don’t wait until it dies completely.

For information on a similar key fob, you can refer to our guide on key fob battery for 2018 subaru forester.

Conclusion

Replacing the battery in your 2018 Subaru Outback key fob is a straightforward process that anyone can do with a few simple tools. By following these steps, you can save yourself time and money and avoid the inconvenience of a dead key fob. Remember to always use the correct battery type and test your key fob after replacing the battery.

FAQs

What type of battery does a 2018 Subaru Outback key fob use? A CR2032 battery.
How often should I replace the key fob battery? Every 1-2 years.
What tools do I need to replace the battery? A small flathead screwdriver or a key.
What should I do if my key fob still doesn’t work after replacing the battery? Double-check the battery installation, inspect the key fob for damage, or consider reprogramming.
Where can I buy a replacement CR2032 battery? Most stores selling batteries, including electronics stores, pharmacies, and supermarkets.
Can I damage my key fob by replacing the battery myself? It’s possible if you’re not careful. Be gentle when prying open the casing and handling the internal components.
Is there a reset procedure after replacing the key fob battery? No reset is typically required.

Common Situations and Questions:

Scenario: Key fob stopped working suddenly.
Question: Is it definitely the battery?
Answer: While a dead battery is the most common cause, other issues like key fob damage or programming problems can also occur.

Scenario: Replaced the battery, but the key fob still intermittently works.
Question: What could be the issue?
Answer: Check the battery contacts for corrosion or ensure the new battery isn’t faulty.

Scenario: Key fob works for locking/unlocking but not for starting the car.
Question: What’s wrong?
Answer: This could indicate an issue with the car’s immobilizer system or the key fob’s programming. Consult a professional if necessary.

Further Information

For more information about Subaru key fobs and related topics, explore our other helpful articles on our website.

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