Delving into the intricacies of Subaru key fob battery size, this guide offers a comprehensive exploration of everything you need to know. From understanding the relationship between battery size and model compatibility to troubleshooting common issues, this resource provides valuable insights and practical advice to keep your Subaru’s key fob functioning smoothly.

Whether you’re a seasoned Subaru owner or a curious enthusiast, this guide is your ultimate companion for navigating the world of key fob batteries.

Battery Size and Model Compatibility

The size of the battery in a Subaru key fob is directly related to the model of the vehicle. Different models use different key fobs, and these fobs require different batteries. It is important to use the correct battery size for your Subaru key fob, as using the wrong size can damage the fob or prevent it from working properly.

Subaru Model and Key Fob Battery Size

The following table lists the battery sizes for different Subaru models:

Battery Specifications

Subaru key fobs typically use small, coin-shaped batteries to power their electronic functions. These batteries provide the necessary voltage and capacity to operate the key fob’s buttons, LED lights, and other components.

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The specific battery specifications for Subaru key fobs vary depending on the model and year of the vehicle. However, most Subaru key fobs use either a CR2025 or CR2032 battery.

CR2025 Battery, Subaru key fob battery size

• Voltage: 3 volts
• Capacity: 160 mAh
• Dimensions: 20 mm diameter, 2.5 mm thick

CR2032 Battery

• Voltage: 3 volts
• Capacity: 225 mAh
• Dimensions: 20 mm diameter, 3.2 mm thick

Battery Replacement Procedure

Replacing the battery in a Subaru key fob is a straightforward process that can be completed in a few minutes. The following steps provide a detailed guide to help you replace the battery:

• Gather the necessary tools and materials. You will need a small Phillips head screwdriver, a new CR2025 battery, and a clean, soft cloth.
• Locate the battery compartment. The battery compartment is usually located on the back of the key fob. It may be covered by a small screw or a plastic cover.
• Remove the battery compartment cover. Use the Phillips head screwdriver to remove the screw that holds the battery compartment cover in place. If there is a plastic cover, gently pry it open with the soft cloth.
• Remove the old battery. Use your fingers or a small tool to carefully remove the old battery from the battery compartment.
• Insert the new battery. Place the new battery into the battery compartment with the positive (+) side facing up.
• Replace the battery compartment cover. Place the battery compartment cover back on the key fob and secure it with the screw.
• Test the key fob. Press the buttons on the key fob to make sure it is working properly.

By following these steps, you can easily replace the battery in your Subaru key fob and ensure that it continues to function properly.

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Battery Life and Factors Affecting It

The battery life of Subaru key fobs can vary depending on several factors. On average, a Subaru key fob battery can last anywhere from 2 to 5 years, depending on usage and environmental conditions.

One of the primary factors affecting battery life is usage frequency. The more frequently you use your key fob, the quicker the battery will drain. This is because each time you press a button on the fob, it sends a signal to the car, which requires power.

Environmental Conditions

Environmental conditions can also impact battery life. Extreme temperatures, both hot and cold, can shorten the lifespan of a battery. Batteries are most efficient when they are kept at a moderate temperature, around 20 degrees Celsius (68 degrees Fahrenheit).

Battery Quality

The quality of the battery also plays a role in its lifespan. Higher-quality batteries will generally last longer than lower-quality batteries. When choosing a replacement battery for your Subaru key fob, it is important to select a high-quality battery from a reputable manufacturer.

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Troubleshooting Key Fob Battery Issues

Maintaining a functioning key fob is crucial for convenient and secure access to your Subaru vehicle. Issues with the key fob battery can disrupt this functionality, causing frustration and inconvenience. Identifying the cause of these issues and implementing effective troubleshooting steps can restore the proper operation of your key fob.

Common Problems and Causes

• Intermittent Key Fob Operation:Weak battery, loose battery connection, or interference from other electronic devices.
• Complete Key Fob Failure:Dead battery, damaged battery terminals, or faulty key fob circuitry.

Troubleshooting Steps

To troubleshoot key fob battery issues, follow these steps:

1. Replace the Battery:The most common cause of key fob battery issues is a weak or dead battery. Replace the battery with a new one of the correct size and type.
2. Check Battery Connections:Ensure that the battery terminals are clean and making good contact with the battery. If necessary, clean the terminals with a cotton swab dipped in rubbing alcohol.
3. Eliminate Interference:Move away from other electronic devices that may be interfering with the key fob’s signal, such as mobile phones or wireless routers.
4. Test the Key Fob:After replacing the battery or cleaning the terminals, test the key fob to see if it operates properly. If not, proceed to the next step.
5. Contact a Subaru Dealership:If the troubleshooting steps above do not resolve the issue, it may indicate a more serious problem with the key fob or vehicle’s receiver. Contact a Subaru dealership for further assistance.

Battery Disposal and Safety Precautions: Subaru Key Fob Battery Size

Used Subaru key fob batteries contain potentially hazardous materials and should be disposed of properly. Failure to do so can pose environmental and safety risks.

To ensure safe and responsible battery disposal, follow these guidelines:

Battery Disposal Methods

• Recycling:Many retailers and local recycling centers accept used batteries for recycling. This is the preferred method as it ensures the materials are recovered and reused.
• Household Hazardous Waste Collection:Some municipalities have designated collection points for household hazardous waste, including batteries. Contact your local authorities for information on these programs.
• Battery Manufacturers:Some battery manufacturers offer recycling programs for their products. Check with the manufacturer of your key fob battery for more details.

Safety Precautions

• Avoid Contact with Skin and Eyes:Batteries contain corrosive materials that can cause irritation or burns. Wear gloves and eye protection when handling them.
• Do Not Short-Circuit:Never connect the positive and negative terminals of a battery directly, as this can cause a short circuit and lead to overheating or explosion.
• Keep Away from Children:Batteries can be harmful if swallowed or ingested. Keep them out of reach of children.
• Dispose of Promptly:Do not store used batteries for extended periods. Dispose of them as soon as possible to minimize the risk of accidents or environmental contamination.

Environmental Regulations

Most countries have regulations governing the disposal of batteries. These regulations vary by region, so it is important to check with your local authorities for specific guidelines.

Final Review

In conclusion, understanding Subaru key fob battery size is crucial for maintaining the seamless operation of your vehicle. By following the guidelines Artikeld in this guide, you can ensure that your key fob remains a reliable companion on every journey.

FAQ Insights

What are the common battery sizes used in Subaru key fobs?

The most common battery sizes used in Subaru key fobs are CR2025 and CR2032.

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

The battery in your Subaru key fob should be replaced every 2-3 years or as needed if you notice a decrease in its functionality.

Can I replace the battery in my Subaru key fob myself?

Yes, you can replace the battery in your Subaru key fob yourself by following the step-by-step instructions provided in the guide.