Changing the battery in a Subaru Impreza key fob is a straightforward DIY task that can be completed in minutes. Most key fob issues stem from a dead battery, and replacing it will restore functionality without the need for professional assistance.
Essential Tools for Key Fob Battery Replacement
Before starting the battery replacement, ensure you have the right tools and supplies. You will need a small flathead screwdriver, a new CR2032 battery, and possibly a pair of tweezers for easier handling. Having these items ready will streamline the process and prevent interruptions.
| Tool/Supply | Purpose |
|---|---|
| Flathead screwdriver | Open the key fob casing |
| CR2032 battery | Replace the old battery |
| Tweezers | Handle small components |
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Check Compatibility First – Please confirm fitment using the fitment guide in the product images. Designed for Subaru smart key fobs (2015–2025). Not compatible with standard Subaru keys with a physical key blade. Some pre-2015 models may also be supported—verify before purchase.
**Please confirm compatibility using the fitment guide located in the product images**
Elite Batteries Replacement are compatible with 2015-2025 Subaru smart key fobs. Not compatible with Subaru key fobs with key sticking out of the fob. May be compatible with key fobs prior to 2015 (check photo aguide).
Key Fob Battery Change Preparation Steps
Preparation is key for a successful battery replacement. Ensure you are working in a clean, well-lit area to avoid losing small parts. It is advisable to have a soft cloth or mat to place the key fob on, minimizing the risk of scratches or damage.
Inspect the key fob for any signs of wear or damage.
Identify the battery compartment on the back of the fob.
Gather all tools and supplies to avoid delays.
Opening the Subaru Impreza Key Fob Case
Opening the key fob requires careful handling to avoid damaging the casing. Use the small flathead screwdriver to gently pry apart the two halves of the fob. Start at a corner and work your way around to ensure an even opening.
Insert the screwdriver into the small slot or seam.
Gently twist the screwdriver to create a gap.
Carefully pull the two halves apart.
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Compatible with：2012-2017 Subaru Impreza ,2015-2019 Subaru WRX ,2014-2018 Subaru Forester , 2013-2017 Subaru XV Crosstrek ,2015-2017 Subaru Outback ,2015 2016 2017 Subaru Legacy
Please confirm your vehicle's Year, Make, and Model match this listing before purchasing to ensure proper fitment. This can be found on your insurance card, vehicle registration, owner's manual, driver-side door jam, or vehicle title records.
Compatibility : This remote key fits for Subaru Ascent 2019-2024,for Crosstrek 2019-2023,for Forester 2019-2023,for Impreza 2017-2023,for Legacy 2018-2021,for Outback 2018-2023,for BRZ 2022 2023 2024,for WRX STI 2019-2021
Accessing the Key Fob Battery
Accessing the battery in your Subaru Impreza key fob is a straightforward process that can save you time and money. Understanding how to open the fob properly is essential for replacing the battery efficiently. This guide will walk you through the necessary steps to ensure a smooth battery replacement.
Once the key fob is open, you can access the old battery. Take note of the battery orientation to ensure proper installation of the new battery.
Locate the battery in its compartment.
Use tweezers to lift the battery out carefully.
Dispose of the old battery according to local regulations.
Install the New Battery
Installing a new battery in your Subaru Impreza key fob is a straightforward process that can save you time and money. This section will guide you through the steps needed to replace the battery efficiently, ensuring your key fob functions properly without the need for professional assistance. Follow these simple instructions to get your key fob back in working order.
Installing the new battery is straightforward but requires attention to detail. Make sure the new CR2032 battery is oriented correctly, matching the positive and negative terminals as indicated.
Place the new battery into the compartment.
Ensure it fits snugly without forcing it.
Close the key fob casing securely.
Test the Key Fob Functionality
After replacing the battery in your Subaru Impreza key fob, it’s essential to test its functionality to ensure everything is working correctly. This step helps confirm that the new battery is properly installed and that the key fob is responsive. Follow these straightforward instructions to verify that your key fob operates as intended.
After replacing the battery, it is essential to test the key fob to confirm that it is working properly. Stand near your Subaru Impreza and press the buttons to check for responsiveness.
Lock and unlock the doors using the key fob.
Test any additional functions, such as the trunk release.
Observe the LED indicator (if applicable) to confirm operation.
Key Fob Battery Replacement Troubleshooting
When replacing the battery in your Subaru Impreza key fob, you may encounter some common issues that can complicate the process. Understanding these potential problems and their solutions can make your DIY fix smoother and more efficient. This section will guide you through troubleshooting steps to ensure your key fob functions properly after the battery change.
If the key fob does not work after replacing the battery, consider the following troubleshooting steps. These can help identify and resolve any underlying issues.
Check battery orientation to ensure correct placement.
Inspect the fob for damage that may affect functionality.
Reprogram the key fob if necessary, following the vehicle’s manual instructions.
Maintain Key Fob Battery Health
Maintaining the battery health of your Subaru Impreza key fob is essential for ensuring its longevity and reliable performance. Regular checks and proper care can prevent unexpected failures and save you from the hassle of being locked out of your vehicle. This section will provide practical tips to help you keep your key fob in optimal condition.
To prolong the life of your key fob battery, consider these maintenance tips. Proper care can help prevent frequent battery replacements.
Avoid exposure to extreme temperatures.
Store the key fob in a protective case when not in use.
Regularly check battery health to anticipate replacements.
Key Fob Battery Replacement Steps
Changing the battery in your Subaru Impreza key fob is a straightforward process that can save you time and money. By following these simple steps, you can ensure your key fob functions properly without needing professional assistance. This guide will walk you through each stage of the battery replacement, making it easy to tackle the task yourself.
Replacing the battery in your Subaru Impreza key fob is a simple task that can save time and money. Follow these steps carefully to ensure a successful battery change and restore your key fob’s functionality.
Evan Armstrong is a lead automotive engineer at Car Troubleshooters with over 15 years of experience in the automotive industry. He has a Master's degree in Automotive Engineering and a deep understanding of how cars work and what it takes to fix them.