Replacing the battery in your 2015 Subaru WRX key fob is a simple task that can save you time and money. This guide will provide you with step-by-step instructions, troubleshooting tips, and answers to frequently asked questions, empowering you to handle this common issue with confidence. Whether you’re a car owner, a mechanic, or an automotive technician, this guide has the information you need to get your key fob working like new again.
Replacing a dead key fob battery is a common maintenance task for any car owner. For a 2015 Subaru WRX, it’s a particularly easy process that can be done in minutes with just a few simple tools. A malfunctioning key fob can lead to frustrating situations, from being locked out of your vehicle to experiencing inconsistent remote functionality. Understanding how to address these issues proactively can prevent unnecessary inconvenience. This guide covers everything from identifying a dying battery to successfully replacing it and ensuring your key fob is back in perfect working order. Let’s dive in.
Identifying a Dying Key Fob Battery in your 2015 Subaru WRX
Several signs indicate your 2015 Subaru Wrx Key Fob Battery is dying. Reduced range is one of the first noticeable symptoms. You might find yourself needing to be much closer to your car for the lock/unlock buttons to function. Another common sign is a weaker signal, requiring multiple button presses to trigger a response. In some cases, the key fob might work intermittently, functioning perfectly one moment and failing completely the next. If you experience any of these issues, it’s a strong indication that your key fob battery needs replacement. Don’t wait until you’re stranded; proactive replacement is always recommended. Ignoring these signs can eventually lead to complete key fob failure, leaving you reliant on the physical key and potentially triggering your car alarm.
What You’ll Need for a 2015 Subaru WRX Key Fob Battery Replacement
Before you begin, gather the necessary tools. You’ll need a small flathead screwdriver or a similar tool to pry open the key fob casing. Next, identify the correct battery type for your 2015 Subaru WRX key fob, which is a CR2032 battery. These are readily available at most electronics stores, auto parts stores, and online retailers. Having a spare battery on hand is always a good idea for future replacements. Finally, have a clean, flat surface to work on to avoid losing any small components.
Step-by-Step Guide to 2015 Subaru WRX Key Fob Battery Replacement
- Locate the release button: On the side of your 2015 Subaru WRX key fob, you’ll find a small release button. Press this button to release the valet key.
- Open the key fob: Using the valet key or a small flathead screwdriver, carefully pry open the key fob casing. Start at the notch where the valet key was released. Be gentle to avoid damaging the plastic.
- Identify and remove the old battery: Locate the CR2032 battery. Note its position and polarity (+ and -) before removing it. Gently pry the old battery out using your screwdriver or the valet key.
- Insert the new battery: Place the new CR2032 battery into the compartment, ensuring the polarity matches the original battery’s orientation. Press it firmly into place.
- Close the key fob: Carefully align the two halves of the key fob casing and press them together until they snap shut. Test all the buttons to ensure they function correctly.
- Reinsert the valet key: Slide the valet key back into its slot.
Opened 2015 Subaru WRX key fob with exposed battery compartment
Troubleshooting Your 2015 Subaru WRX Key Fob
If your key fob still doesn’t work after replacing the battery, consider these troubleshooting steps. First, double-check the battery installation to ensure it’s correctly positioned and making proper contact. Sometimes, a slight misalignment can prevent the key fob from functioning. Secondly, try reprogramming the key fob to your car. Consult your owner’s manual for specific instructions on how to do this.
Frequently Asked Questions about 2015 Subaru WRX Key Fob Batteries
How long does a 2015 Subaru WRX key fob battery last? Typically, a CR2032 battery in a 2015 Subaru WRX key fob lasts between 2 to 3 years.
Can I use any brand of CR2032 battery? While different brands are available, using a reputable brand is recommended for optimal performance and longevity.
What if my key fob still doesn’t work after replacing the battery? Try reprogramming your key fob or consulting a subaru sti key fob specialist for further assistance.
Conclusion
Replacing the battery in your 2015 Subaru WRX key fob is a straightforward process that requires minimal tools and time. By following the steps outlined in this guide, you can easily maintain your key fob and avoid the inconvenience of a dead battery. Remember to keep a spare CR2032 battery on hand for future replacements.
FAQ
- How do I know if my 2015 Subaru WRX key fob battery is low? Reduced range and weak signal strength are common indicators.
- Where can I buy a replacement CR2032 battery? Most electronics stores, auto parts stores, and online retailers carry them.
- Is it difficult to replace the battery myself? No, the process is simple and requires only a small flathead screwdriver.
- What should I do if my key fob still doesn’t work after replacing the battery? Check the battery installation and try reprogramming the key fob.
- How often should I replace my key fob battery? Every 2 to 3 years is generally recommended.
- Can I damage my key fob by replacing the battery myself? Unlikely, but be gentle when prying open the casing to avoid damage.
- What other issues can cause my key fob to malfunction? Internal component failure or issues with the car’s receiver can sometimes occur.
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