What Battery Does Your Subaru Key Fob Need? Essential Guide and Tips

Ever wondered what powers your trusty Subaru key fob? Picture this: you’re rushing to your car, only to find the key fob unresponsive. Frustrating, right? That’s where knowing the right battery type comes in handy. In this article, we’ve got your back!

Imagine the convenience of swiftly replacing your key fob battery without any guesswork. No more last-minute dashes to the store or fumbling with the key to unlock your car. With our guide, you’ll be equipped with the knowledge to keep your Subaru key fob running smoothly. Let’s dive in and unravel the mystery behind the battery that keeps you connected to your vehicle.

Why is the Key Fob Battery Important?

Replacing your key fob battery on time is crucial for ensuring that you can access your vehicle without any hiccups. A dead key fob battery could leave you stranded, unable to unlock your car or start the engine.

  • A functional key fob battery is essential for seamless access to your vehicle.
  • Timely replacement prevents unexpected lockouts or car starting issues.
  • Neglecting the key fob battery can lead to inconvenience and potential vehicle access problems.
  • A small battery plays a big role in ensuring your daily routines remain smooth and hassle-free.

Remember, a simple battery change can save you from the frustration of being locked out of your Subaru at the least opportune times.

Importance of Regular Key Fob Battery Maintenance

Regularly checking and replacing the key fob battery is a small task that can prevent major headaches down the road. By maintaining a healthy battery, you’re proactively avoiding any sudden issues with your key fob.

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Key Benefits
Keeps you prepared Avoid unexpected lockouts or malfunctions
Saves time and stress Prevents urgent trips for replacements
Ensures peace of mind Smooth and uninterrupted vehicle access

Pro tip: Set a reminder to check and replace your key fob battery regularly, ensuring your Subaru key fob is always ready to serve you when needed.

Identifying Your Subaru Key Fob Model

When it comes to identifying the battery type needed for your Subaru key fob, the first step is knowing your key fob model. Each Subaru key fob model may require a specific type of battery to ensure optimal performance.

Here are some simple steps to help you identify your Subaru key fob model:

  • Check the User Manual: Your Subaru’s user manual often contains details about the key fob, including the model number and battery type required.
  • Inspect the Key Fob: Examine your key fob closely for any model numbers or identifying marks that can help you determine the specific model.
  • Contact Your Subaru Dealer: If you’re unsure about your key fob model, reaching out to your local Subaru dealer can provide you with the necessary information.

By correctly identifying your Subaru key fob model, you can easily determine the appropriate battery type it requires, ensuring seamless operation when it comes to replacing the battery.

Remember to keep this information handy for future reference, making it easier to stay prepared for timely key fob battery replacements.

Steps to Replace the Key Fob Battery

When it’s time to replace the Subaru key fob battery, follow these simple steps to ensure a smooth process:

  • Gather Materials: You’ll need a new battery, a small flathead screwdriver or a key fob opening tool. Get these ready before starting the replacement.
  • Locate the Battery Compartment: Search for the small indentation or slot on your key fob. This is where you’ll access the battery.
  • Open the Key Fob: Insert the screwdriver or opening tool into the slot and gently pry open the key fob. Be careful not to damage the casing.
  • Remove the Old Battery: Once the key fob is open, carefully take out the old battery. Pay attention to the orientation of the battery before removing it.
  • Insert the New Battery: Place the new battery into the compartment with the correct side facing up. Make sure it fits snugly in place.
  • Close the Key Fob: Press the two halves of the key fob back together until you hear a click. Ensure it’s securely sealed.

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By following these steps, you can easily replace the Subaru key fob battery and maintain seamless access to your vehicle.

Best Battery Options for Your Subaru Key Fob

When it comes to choosing a battery for your Subaru key fob, it’s important to pick the right type to ensure optimal performance. Here are some popular battery options that are compatible with Subaru key fobs:

  • CR1620: Commonly used in various Subaru key fob models
  • CR1632: Another popular choice for Subaru key fobs
  • CR2032: Provides longer-lasting power for your key fob

Opting for high-quality lithium batteries is recommended for reliable performance and longevity. These batteries are widely available at hardware stores and online retailers.

Make sure to check your key fob model to determine the correct battery type needed. Installing the right battery will help maintain smooth functionality and avoid any access issues with your Subaru vehicle.

Tips to Extend Your Key Fob Battery Life

Taking care of your key fob battery can save you time and money in the long run. Here are some tips to help you get the most out of your Subaru key fob battery:

  • Keep your key fob clean: Dirt and grime can affect battery life. Wipe it down regularly with a soft, dry cloth.
  • Avoid extreme temperatures: High heat or cold can drain your battery faster. Store your key fob in moderate temperatures.
  • Use your key fob regularly: Surprisingly, using your key fob often can actually help prolong battery life.
  • Replace the battery proactively: Don’t wait until your battery is completely dead. Change it preemptively to avoid getting locked out.

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Average Key Fob Battery Life: 1-2 years
Cost of Key Fob Battery Replacement: $5-$10

By following these simple tips, you can ensure that your Subaru key fob is always ready to unlock your car with no hassle.


Ensuring you have the right battery for your Subaru key fob is essential for its performance. By selecting high-quality lithium batteries like CR1620, CR1632, or CR2032, you can prolong the key fob’s lifespan. Remember to check your key fob model to choose the correct battery type. Following simple tips to maintain your key fob, such as keeping it clean, avoiding extreme temperatures, and using it regularly, can help extend its battery life. With an average lifespan of 1-2 years and replacement costs between $5 to $10, it’s worth taking care of your key fob. By implementing these practices, you can ensure your Subaru key fob is always reliable when you need it.

Frequently Asked Questions

What are the popular battery options for Subaru key fobs?

You can choose from CR1620, CR1632, and CR2032 batteries for Subaru key fobs. Opt for high-quality lithium batteries for optimal performance.

Why is it important to check the key fob model before choosing a battery?

Checking the key fob model is crucial to ensure you select the correct battery type. Using the wrong battery can lead to performance issues.

How can I extend the life of my key fob battery?

To extend key fob battery life, keep it clean, avoid extreme temperatures, use it regularly, and proactively replace the battery when needed.

What is the average lifespan of a key fob battery?

The average key fob battery life is around 1-2 years. Replacement costs typically range from $5 to $10 for a new battery.

How can I ensure my Subaru key fob is always ready for use?

Follow the provided tips to maintain your key fob, and over time, you can ensure that your Subaru key fob is always ready for use.

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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