Subaru Key Fob Battery Size: Easy Replacement Guide for 2014 Models and More

The 2014 Subaru key fob uses different battery sizes: a 2032 lithium battery for rectangular designs, a 2025 lithium battery for older teardrop designs, and a 1620 lithium battery for exposed-metal key designs. Confirm your key fob type to ensure you use the correct battery size for optimal performance.

Replacing the battery in a Subaru key fob is a straightforward process. First, use a small flathead screwdriver to gently pry apart the fob casing. Be cautious to avoid damaging the plastic. Once open, remove the old battery and note its orientation. Insert the new CR2032 battery in the same position, ensuring the positive side is facing up. Finally, snap the key fob casing back together until it clicks into place, and test the buttons to confirm proper functionality.

Understanding Subaru key fob battery size simplifies this replacement process. Regularly replacing the battery ensures seamless operation and prolongs the life of your key fob.

Now that you know how to replace the battery, let’s explore common symptoms of a dying key fob battery. Recognizing these signs will help you address issues before they impede your vehicle access and operation.

What Is the Correct Size of the Subaru Key Fob Battery for 2014 Models?

The correct size of the Subaru key fob battery for 2014 models is typically a CR2032 lithium battery. This battery type is widely used in many electronic devices and key fobs, providing reliable power for their operation.

According to the official Subaru Owner’s Manual, this battery specification is consistent across various models produced in that year. The manual serves as a trusted resource for vehicle specifications and maintenance.

The CR2032 battery measures 20mm in diameter and 3.2mm in thickness, making it a common choice for key fobs due to its compact size and longevity. These batteries can last several years, depending on usage.

Additional sources, such as Battery University, also confirm the CR2032 designation for many automotive key fobs. The site emphasizes the importance of using the correct battery size to ensure proper function and device longevity.

Key fob batteries can lose charge due to regular usage, environmental exposure, or manufacturing defects. Signs of low battery include decreased range or inability to unlock the doors.

Statistics show that vehicle key fob batteries typically last between three to five years, depending on usage patterns (Battery University). Understanding battery life can help owners anticipate replacements.

Using the correct battery size ensures that key fobs operate efficiently, enhancing vehicle security and accessibility. Misuse or incorrect sizing can lead to issues with unlocking or starting the vehicle.

The implications of using the wrong battery include potential malfunction of the key fob, causing inconvenience and potential safety issues.

Specific examples of mismanagement include owners experiencing difficulty accessing their vehicles or dealing with unexpected failures in remote functionalities.

To mitigate these issues, it is advisable to routinely check battery status and replace batteries every three years or as needed. Regular maintenance is recommended by automotive professionals.

Strategies for battery maintenance include keeping the fob clean and avoiding extreme temperatures, which can degrade battery life.

How Can You Tell if Your Subaru Key Fob Battery Needs Replacement?

You can tell if your Subaru key fob battery needs replacement by observing certain signs. These signs include reduced range, unresponsive buttons, and warning lights on the dashboard.

Reduced range: If your key fob works only when you are very close to your vehicle, the battery may be weak. A healthy battery allows the fob to communicate effectively from a distance of several feet.

Unresponsive buttons: If pressing the buttons on the key fob does not unlock or lock your doors, it might indicate a failing battery. A functioning key fob should respond immediately when the buttons are pressed.

Warning lights: Many Subaru models have a dashboard warning light that alerts the driver when the key fob battery is low. This warning often appears in the shape of a key or fob icon, signaling that the battery needs attention.

Regular checks: You should periodically check the battery life of your key fob, especially if you notice any of the above signs. Replacing the battery proactively can help avoid getting locked out of your vehicle.

By recognizing these indicators, you can ensure that your Subaru key fob remains functional and reliable.

What Steps Should You Follow to Replace the Subaru Key Fob Battery in a 2014 Model?

To replace the Subaru key fob battery in a 2014 model, follow these steps:

  1. Locate the key fob.
  2. Identify the battery type.
  3. Open the key fob.
  4. Remove the old battery.
  5. Insert the new battery.
  6. Close the key fob.
  7. Test the key fob functionality.

These steps ensure the key fob functions properly again. It is essential to use the correct battery type and handle the fob carefully to avoid damage.

Detailed Steps to Replace the Subaru Key Fob Battery in a 2014 Model

  1. Locate the Key Fob: Locating the Subaru key fob is the first step. The key fob is the device used to unlock and start your vehicle electronically. It is typically attached to your keychain.

  2. Identify the Battery Type: Identifying the correct battery type is crucial. Most Subaru key fobs from 2014 use a CR2032 battery. Check the owner’s manual for specific details.

  3. Open the Key Fob: Opening the key fob requires care. Use a flathead screwdriver or a coin to gently pry apart the fob along its seam. Doing this carefully helps prevent damage to the plastic casing.

  4. Remove the Old Battery: Removing the old battery involves taking out the existing battery and noting its orientation. The positive side is usually marked. Avoid using metal tools that can damage the circuit board inside the fob.

  5. Insert the New Battery: Inserting the new battery is a straightforward process. Ensure the positive side of the battery faces the same direction as the old one. This step is crucial for it to function correctly.

  6. Close the Key Fob: Closing the key fob requires snapping it back together. Ensure it is securely closed to prevent water or dirt from entering the device.

  7. Test the Key Fob Functionality: Finally, test the key fob functionality. Stand within range of the vehicle and attempt to lock/unlock the doors. If it does not work, recheck the battery installation.

Following these detailed steps will help ensure your Subaru key fob is operational again. Proper maintenance and battery replacement can prolong the life of your key fob.

What Tools Are Necessary for Replacing the Subaru Key Fob Battery?

To replace the Subaru key fob battery, you will need a few essential tools.

  1. New battery (usually CR2032 or CR2025)
  2. Flathead screwdriver or a coin
  3. Clean cloth (optional)
  4. Safety glasses (recommended)

Having the right tools ensures a smooth process for replacing the battery in your Subaru key fob.

  1. New Battery:
    A new battery is crucial for the replacement process. Most Subaru key fobs use a CR2032 or CR2025 battery. These batteries are widely available at electronics stores, pharmacies, and online.

  2. Flathead Screwdriver or a Coin:
    A flathead screwdriver or a coin serves as a tool to pry open the key fob. This tool helps apply the necessary force without damaging the fob’s casing.

  3. Clean Cloth:
    Using a clean cloth is optional but recommended. It helps to keep the components free from dirt and oils, which can affect functionality.

  4. Safety Glasses:
    Wearing safety glasses is a precaution. It protects your eyes from small parts that might accidentally spring out when opening the fob.

Now that we understand the necessary tools, let’s delve into each component for a thorough understanding.

New Battery:
To successfully replace the battery, you must acquire the correct type. The CR2032 or CR2025 batteries are lithium coin batteries commonly used in key fobs. It’s important to check your specific model’s requirement, as using the wrong battery can lead to malfunctions. These batteries are easily found at electronics stores or online platforms, often sold in packs to ensure you have spares.

Flathead Screwdriver or a Coin:
Open your key fob using a flathead screwdriver or a coin. Inserting the tool into the seam of the key fob allows you to gently pry it open. This prevents damage to the fob while ensuring access to the battery compartment. It’s advised to be gentle to avoid cracking the plastic case.

Clean Cloth:
Utilizing a clean cloth while working with the key fob keeps the interior and components free from debris. Dirt or oils from your fingers can disrupt the electrical contacts within the fob. Maintaining cleanliness is vital for the longevity and functionality of your key fob.

Safety Glasses:
While not mandatory, wearing safety glasses is wise when working with small electronic parts. This precaution prevents injury from small components that may spring out unexpectedly during the process. Safety should always be a priority when handling electronics.

By having these tools and understanding their uses, you can efficiently and safely replace the battery in your Subaru key fob.

Which Other Subaru Models Require the Same Key Fob Battery Size?

The Subaru models that require the same key fob battery size as the 2014 Subaru model are noted below.

  1. Subaru Legacy
  2. Subaru Outback
  3. Subaru Impreza
  4. Subaru Crosstrek
  5. Subaru Forester
  6. Subaru BRZ

These models share similar key fob designs, which may lead some owners to assume they can interchange batteries. However, variations in electronic components may influence battery requirements across models.

  1. Subaru Legacy:
    The Subaru Legacy key fob uses the same battery as the 2014 model, typically CR2032. The lifespan of these batteries is usually about three years depending on usage.

  2. Subaru Outback:
    The Subaru Outback key fob also employs the CR2032 battery. It serves multiple electronic features that may require more frequent replacements under extensive use.

  3. Subaru Impreza:
    The Subaru Impreza features a CR2032 battery in its key fob. User feedback suggests that battery life can be affected by frequent locking and unlocking.

  4. Subaru Crosstrek:
    The Subaru Crosstrek also utilizes the CR2032 battery, and many owners report a similar battery lifespan as the Impreza. Replacing the battery regularly is recommended to ensure optimal performance.

  5. Subaru Forester:
    The key fob for the Subaru Forester is compatible with the CR2032 battery. This model aligns with the aspect that all mentioned models share similarities in battery style.

  6. Subaru BRZ:
    The Subaru BRZ key fob contains the same CR2032 battery, providing easy replacement solutions for owners of various Subaru models.

When replacing a key fob battery for any of these Subaru models, it is crucial to ensure the correct battery type for consistent key fob performance. Battery replacement takes a few minutes and can enhance the functionality of the vehicle’s keyless entry system.

How Can You Extend the Lifespan of Your Subaru Key Fob Battery?

You can extend the lifespan of your Subaru key fob battery by following proper care practices, minimizing usage, and replacing batteries as needed.

To ensure a longer lifespan for your key fob battery, consider the following strategies:

  • Keep the fob clean: Dirt and moisture can cause corrosion. Wipe the key fob with a dry cloth regularly to remove debris and moisture.
  • Avoid extreme temperatures: Exposure to heat or cold can diminish battery life. Store the key fob in a temperature-controlled environment.
  • Limit key fob usage: Use the physical key when possible instead of the remote functions to conserve battery power.
  • Weak signal alerts: Pay attention to alerts indicating low battery life. Replace the battery promptly to avoid inconvenience.
  • Choose quality batteries: Use high-quality CR2032 or CR2025 batteries, as they provide better performance than cheaper alternatives. According to a study published in the Journal of Electronics (Smith, 2021), low-quality batteries can have a significantly shorter lifespan.

By implementing these practices, you can effectively maximize the lifespan of your Subaru key fob battery.

What Should You Do If Replacing Your Subaru Key Fob Battery Doesn’t Work?

If replacing your Subaru key fob battery does not work, you should consider several potential issues and solutions.

  1. Check the battery installation.
  2. Inspect the key fob for damage.
  3. Ensure compatibility of the new battery.
  4. Reprogram the key fob.
  5. Consult with a professional.

After considering these options, it is important to evaluate each possibility.

  1. Check the battery installation: Check the battery installation by ensuring the new battery is correctly positioned. The positive side must face the correct direction. Improper installation will prevent the key fob from functioning.

  2. Inspect the key fob for damage: Inspect the key fob for damage. Physical wear may affect your key fob’s functionality. Cracks or water exposure can lead to malfunction. If the fob is damaged, it may need replacement.

  3. Ensure compatibility of the new battery: Ensure that the new battery is compatible. Using the wrong battery type can lead to failure. Refer to the owner’s manual or consult with a dealership for the correct battery size.

  4. Reprogram the key fob: Reprogramming the key fob can resolve issues after battery replacement. After changing the battery, the fob may need to be reset to sync with your vehicle’s system. Follow the manufacturer’s instructions for the reprogramming process.

  5. Consult with a professional: Consulting with a professional can provide expertise in resolving key fob issues. A dealer or locksmith may offer diagnostic services to identify problems beyond battery replacement.

By addressing these points, you can troubleshoot the key fob issue effectively.

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