The 2020 Subaru key fob battery is an essential component that powers the keyless entry, remote start, and other convenient features of your vehicle. Understanding its specifications, replacement process, and troubleshooting techniques is crucial for maintaining optimal performance.
This comprehensive guide will delve into the intricacies of the 2020 Subaru key fob battery, providing you with the knowledge and tools to ensure its smooth operation and extend its lifespan.
Subaru Key Fob Battery Overview
The key fob battery in a 2020 Subaru is a crucial component that powers the remote functions of the key fob, allowing for convenient locking, unlocking, and trunk release operations.
The 2020 Subaru key fob typically utilizes a CR2025 coin-cell battery, known for its compact size and high energy density. This battery provides a voltage of 3 volts and a capacity of approximately 160 milliamp-hours (mAh).
Typical Lifespan and Factors Affecting Battery Life
The lifespan of a Subaru key fob battery can vary depending on several factors, including:
- Frequency of key fob use
- Environmental conditions (extreme temperatures can affect battery life)
- Battery quality and brand
- Condition of the key fob’s circuitry
On average, a 2020 Subaru key fob battery can last for approximately 2-4 years with regular use. However, it’s important to note that factors such as excessive key fob button presses or prolonged exposure to extreme temperatures can shorten battery life.
Battery Replacement Process
Replacing the battery in a 2020 Subaru key fob is a simple process that can be completed in a few minutes. Here’s a step-by-step guide to help you do it safely and effectively:
Safety Precautions
- Before starting, make sure you have the correct battery for your key fob. Refer to your owner’s manual or check online for the specific battery type required.
- Do not use a sharp object to pry open the key fob, as this can damage the case or the electronic components inside.
- If you have difficulty replacing the battery, do not force it. Consult a professional locksmith or your Subaru dealer for assistance.
Tools Required
- New CR2025 battery
- Small flat-head screwdriver or a key
Step-by-Step Instructions
- Locate the small notch or groove on the side of the key fob. Insert the flat-head screwdriver or key into the notch and gently pry the two halves of the key fob apart.
- Once the key fob is open, you will see the battery. Use your fingers or a pair of tweezers to remove the old battery.
- Insert the new battery into the key fob, making sure to align the positive (+) and negative (-) terminals correctly.
- Snap the two halves of the key fob back together. Make sure the key fob is securely closed before testing it.
- Test the key fob to ensure it is working properly. Press the buttons on the key fob to lock and unlock the car.
Video Demonstration
For a visual demonstration of the battery replacement process, refer to the following video:
[Insert link to video]
Battery Selection and Compatibility
Choosing the right battery for your 2020 Subaru key fob is crucial for ensuring its optimal performance and longevity. Using the correct battery type prevents potential issues, such as malfunctioning or premature battery drain.
Battery Specifications
The 2020 Subaru key fob requires a CR2025 coin-cell battery. This battery type provides the necessary voltage and capacity to power the key fob’s functions, including unlocking and locking the vehicle, activating the panic alarm, and controlling remote start.
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Importance of Correct Battery Type
Using the correct battery type is essential for several reasons:
-
-*Ensures Proper Voltage
Different battery types provide different voltages. Using a battery with an incorrect voltage can lead to insufficient power or damage to the key fob’s circuitry.
-*Maintains Battery Life
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Batteries are designed to operate within a specific voltage range. Using a battery with an incorrect voltage can shorten its lifespan.
-*Prevents Malfunctions
Using an incompatible battery type can cause the key fob to malfunction or behave erratically.
Selecting a High-Quality Battery
When selecting a CR2025 battery for your Subaru key fob, consider the following tips:
-
-*Choose a Reputable Brand
Opt for batteries from reputable manufacturers known for their quality and reliability.
-*Check Expiration Date
Batteries have an expiration date. Choose a battery with a recent expiration date to ensure optimal performance.
-*Avoid Bulk Packs
Bulk packs may contain batteries that have been sitting on the shelf for an extended period, reducing their shelf life.
-*Read Reviews
Consult online reviews to gather insights into the performance and reliability of different battery brands and models.
Troubleshooting Battery Issues
Common battery-related issues in a 2020 Subaru key fob include:
- Weak or intermittent signals
- Key fob not unlocking or starting the car
- Key fob buttons not responding
To troubleshoot these issues, follow these steps:
- Check the battery level. The key fob has a small indicator light that shows the battery level. If the light is dim or does not illuminate, the battery may need to be replaced.
- Clean the battery terminals. Over time, the battery terminals can become dirty or corroded. This can prevent the battery from making good contact with the key fob. Use a cotton swab dipped in rubbing alcohol to clean the terminals.
- Reset the key fob. If the key fob is not working properly, it may need to be reset. To reset the key fob, press and hold the lock and unlock buttons simultaneously for 10 seconds.
- Replace the battery. If the above steps do not resolve the issue, the battery may need to be replaced. Use a new CR2025 battery.
Potential Causes of Battery Failure
Several factors can contribute to battery failure in a 2020 Subaru key fob, including:
Extreme temperatures
Exposing the key fob to extreme heat or cold can damage the battery.
Moisture
Getting the key fob wet can cause the battery to corrode.
Overuse
Using the key fob frequently can drain the battery faster.
Preventive Measures
To prevent battery failure, follow these tips:
- Store the key fob in a cool, dry place.
- Avoid exposing the key fob to extreme temperatures.
- Do not get the key fob wet.
- Use the key fob sparingly.
Advanced Features and Battery Considerations: 2020 Subaru Key Fob Battery
The 2020 Subaru key fob offers a range of advanced features that enhance convenience and security. However, these features can also impact battery life. Understanding how these functions affect battery consumption can help you optimize usage and maintain functionality.
Keyless Entry and Remote Start, 2020 subaru key fob battery
Keyless entry and remote start are popular features that allow you to unlock and start your vehicle without inserting a physical key. These functions rely on a wireless connection between the key fob and the vehicle, which requires power from the battery.
Frequent use of these features can drain the battery faster than traditional key ignition.
Additional Functions
In addition to keyless entry and remote start, some 2020 Subaru key fobs offer other functions such as trunk release, panic alarm, and door lock/unlock status indicator. These functions also consume battery power, especially when used frequently.
Final Summary
By following the steps Artikeld in this guide, you can confidently replace the battery in your 2020 Subaru key fob, troubleshoot any issues that may arise, and optimize its performance for years to come.
Remember, a well-maintained key fob battery not only enhances your driving experience but also ensures the security and convenience of your vehicle.
Popular Questions
What type of battery does the 2020 Subaru key fob use?
The 2020 Subaru key fob typically uses a CR2025 coin cell battery.
How often should I replace the battery in my 2020 Subaru key fob?
The lifespan of a 2020 Subaru key fob battery can vary depending on usage, but generally, it should be replaced every 2-3 years.
Can I replace the battery in my 2020 Subaru key fob myself?
Yes, replacing the battery in a 2020 Subaru key fob is a relatively simple process that can be done at home with the right tools and instructions.
