Optimize Your Subaru Key Fob: Best Battery Type & Maintenance Guide

Ever wondered why your Subaru key fob suddenly stops working at the most inconvenient times? Picture this: you’re running late, rushing to your car, only to find your key fob unresponsive. Frustrating, right? But fear not, because in this article, you’ll discover the key to solving this common issue.

Have you ever struggled to figure out which battery is the right fit for your Subaru key fob? It’s a small detail that can cause big headaches. Luckily, we’ve got you covered. By the end of this article, you’ll know exactly what type of battery your Subaru key fob needs, saving you time and hassle.

Stay tuned as we unravel the mystery behind choosing the correct battery for your Subaru key fob. You’ll soon be equipped with the knowledge to keep your key fob working seamlessly.

Common Reasons for Subaru Key Fob Failure

When your Subaru key fob stops working, it can be frustrating. Here are some common reasons why it might fail:

  • Dead Battery: The most common reason for key fob issues is a depleted battery. If your key fob doesn’t unlock or start your car, replace the battery.
  • Interference: Signal interference from other electronic devices or radio frequencies can disrupt the key fob’s functioning. Keep your key fob away from devices like smartphones, microwaves, or other car remotes.
  • Physical Damage: Dropping or exposing your key fob to water can cause physical damage, leading to malfunction.
  • Programming: Sometimes, reprogramming your key fob can solve connectivity issues with your Subaru’s security system.
  • Worn-out Buttons: Over time, the buttons on the key fob can wear out, affecting its performance.

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Once you identify the cause of the problem, you can take steps to address it and get your Subaru key fob working smoothly.

Importance of Using the Correct Battery

When it comes to your Subaru key fob, using the correct battery is crucial for optimal performance.

Why It Matters

  • Incorrect batteries may not fit properly, leading to poor contact and unreliable functioning.
  • Using the wrong type can result in potential leaks or damage to the key fob.

Best Practice Tips

  • Refer to your owner’s manual for the specific battery type recommended by Subaru.
  • Do not try to force a battery that doesn’t fit, as it can harm the internal components.
  • Opt for quality brands to ensure longevity and reliability.

Real-World Example

Imagine trying to start your Subaru only to find out that your key fob doesn’t work due to a faulty battery. By using the correct battery, you can avoid this frustrating scenario.

Identifying the Correct Battery Type

When it comes to Subaru key fobs, using the right battery type is crucial for optimal performance. Here’s how you can easily identify the correct option:

  • Check the Owner’s Manual: Start by looking at your Subaru’s manual for the recommended battery type. It’s the most reliable source for this information.
  • Voltage Requirement: The key fob’s battery voltage is typically printed on the old battery or in the manual. Match this voltage rating precisely.
  • Battery Size: Take note of the size of the current battery in your key fob. Using the wrong size can lead to poor contact and operational issues.
  • Additional Codes: Some key fobs may have specific codes that indicate the exact battery model required.
  • Quality Matters: Opt for quality brands when choosing a replacement battery. This ensures longevity and reliable performance.
  • Avoid Generic Batteries: Generic batteries may not provide the required power output for the key fob, leading to potential malfunctions.

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By paying attention to these details, you can easily identify the correct battery type for your Subaru key fob and ensure smooth functioning without any hiccups.

Steps to Replace the Battery in Your Subaru Key Fob

When it comes to replacing the battery in your Subaru key fob, it’s a straightforward process that you can easily do yourself. Here are the steps to guide you through the battery replacement:

  • Step 1: Locate the Seam: Identify the small seam along the edge of your key fob. This is where the key fob can be opened to access the battery compartment.
  • Step 2: Open the Fob: Carefully use a flathead screwdriver or a coin to pry open the key fob along the seam. Be gentle to avoid damaging the fob.
  • Step 3: Remove the Old Battery: Once the fob is open, you’ll see the old battery inside the compartment. Remove the old battery gently, making sure not to damage the other components.
  • Step 4: Insert the New Battery: Take the new battery and insert it into the compartment with the correct polarity, usually marked inside the fob.
  • Step 5: Close the Fob: Carefully close the key fob by snapping the two halves back together. Make sure it’s securely fastened.
  • Step 6: Test the Key Fob: Test the key fob to ensure that the new battery is working correctly. Press the buttons to check if the key fob responds as expected.

Following these simple steps, you can easily replace the battery in your Subaru key fob, ensuring smooth functionality and avoiding any disruptions in key fob operation.

Extending the Lifespan of Your Subaru Key Fob Battery

To maximize the battery life of your Subaru key fob, there are a few simple practices you can follow:

  • Keep it Clean: Regularly clean the key fob with a soft, dry cloth to prevent dirt or debris from interfering with its operation.
  • Avoid Extreme Temperatures: Extreme heat or cold can impact battery performance. Store your key fob in moderate temperature environments.
  • Use it Regularly: Even if you have a spare key fob, rotate the use of both to ensure they both stay active.
  • Replace Key Fob Batteries Proactively: Keep spare batteries handy and replace them as soon as you notice a decrease in key fob response.

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Battery Life Tips
Clean your key fob regularly
Avoid extreme temperatures
Use your key fob regularly
Replace batteries promptly

Conclusion

Ensuring you have the right battery for your Subaru key fob is vital for its functionality. By following the steps outlined in this article and implementing the tips provided, you can extend the lifespan of your key fob battery and maintain optimal performance. Remember to keep it clean, avoid extreme temperatures, use it regularly, and replace the battery proactively. By taking these simple precautions, you can avoid any operational issues and get the most out of your Subaru key fob.

Frequently Asked Questions

What type of battery does a Subaru key fob use?

Subaru key fobs typically use a CR2032 battery.

How can I replace the battery in my Subaru key fob?

To replace the battery, you need to open the key fob, remove the old battery, insert a new CR2032 battery, and then reassemble the key fob.

How do I extend the lifespan of my Subaru key fob battery?

To extend the battery lifespan, keep the key fob clean, protect it from extreme temperatures, use it regularly, and replace the battery preemptively when needed.

How often should I replace the battery in my Subaru key fob?

It’s recommended to replace the battery every 1-2 years to maintain optimal performance of the key fob.

What issues can occur if I neglect my Subaru key fob battery?

Neglecting the key fob battery can result in key fob connectivity problems, difficulty in locking/unlocking the car, and potential key fob malfunction.

Battery industry professional with 5+ years of experience. Bachelor of Science in Electrical Engineering from Georgia Tech. Specializes in power systems and renewable energy.

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