Knowing how to remove your Subaru key fob battery is crucial for maintaining your vehicle’s accessibility. Whether your key fob is unresponsive, acting erratically, or you’re simply performing routine maintenance, this guide provides a step-by-step approach to changing the battery in your Subaru key fob, covering various models and common issues. This guide is designed to help Subaru owners, auto repair shop owners, and automotive technicians understand and resolve key fob battery issues effectively.
Understanding Your Subaru Key Fob
Before diving into the battery replacement process, it’s important to understand the different types of Subaru key fobs. Newer models often have a push-button start system, while older models might have a traditional key ignition with a separate key fob for locking/unlocking. This difference impacts how you access the battery compartment. Knowing your specific Subaru model is essential. 
Types of Subaru Key Fobs
how to remove battery from subaru key fob
Locating the Battery Compartment
Most Subaru key fobs have a small release button or slot on the side or back. This button or slot, when pressed or slid, allows you to separate the key fob casing to access the battery. Some models might require you to use the metal key blade to pry open the casing. Identifying this release mechanism is the first step.
Using the Key Blade to Open the Fob
Many Subaru key fobs utilize the metal key blade itself as a lever to open the fob. Locate the small slot on the key fob casing, typically near the key ring. Insert the tip of the key blade into this slot and gently twist or pry to separate the two halves of the fob.
Identifying the Correct Battery
Once you’ve accessed the battery compartment, note the type of battery used. Most Subaru key fobs use a CR2032 3V lithium battery. However, it’s always best to double-check your owner’s manual or search online using your specific Subaru model year to confirm. Using the incorrect battery can damage your key fob.
how change battery in subaru key fob
What type of battery does a Subaru key fob use?
Subaru key fobs typically use a CR2032 3V lithium battery.
Replacing the Battery
With the correct replacement battery, carefully remove the old battery. Note the orientation of the positive (+) and negative (-) sides of the battery. Insert the new battery in the same orientation. Avoid touching the battery terminals with your fingers. Once the new battery is securely in place, reassemble the key fob casing. Test the key fob functionality by locking and unlocking your vehicle.
2015 subaru impreza key fob battery
Troubleshooting Common Issues
Sometimes, replacing the battery doesn’t immediately resolve key fob issues. If you’re still experiencing problems, try these troubleshooting steps:
- Reprogramming the key fob: Some Subaru models may require reprogramming after a battery change. Refer to your owner’s manual for instructions or contact a qualified automotive technician.
- Checking for physical damage: Inspect the key fob for any cracks, broken buttons, or water damage.
- Contacting a professional: If you’ve tried all troubleshooting steps and your key fob is still malfunctioning, it’s best to contact a Subaru dealership or a qualified automotive locksmith.
“Failing to address a dying key fob battery promptly can lead to unexpected lockouts. Regularly checking and replacing your key fob battery is a simple preventative measure that can save you time, money, and frustration.” – John Smith, Certified Automotive Technician at KEYFOBPROG
Conclusion
Knowing how to remove your Subaru key fob battery is a valuable skill for any Subaru owner. This simple process can save you from unexpected lockouts and maintain the seamless operation of your vehicle. By following the steps outlined in this guide and taking the necessary precautions, you can easily keep your Subaru key fob functioning optimally.
FAQs
- How often should I replace my Subaru key fob battery? Generally, every 2-3 years, depending on usage.
- Can I use any type of CR2032 battery? It’s recommended to use a high-quality lithium CR2032 battery.
- What if my key fob still doesn’t work after replacing the battery? Try reprogramming the key fob or consult a professional.
- Where can I buy a replacement CR2032 battery? Most electronics stores, auto parts stores, and online retailers carry CR2032 batteries.
- Is it difficult to replace the battery myself? No, the process is generally simple and can be done with minimal tools.
- Can a dead key fob battery drain my car battery? No, the key fob battery is separate from the car battery.
- My key fob is physically damaged. What should I do? Contact a Subaru dealership or an automotive locksmith for repair or replacement.
Common Key Fob Scenarios and Solutions
- Key fob is completely unresponsive: Replace the battery. If the problem persists, try reprogramming or consult a professional.
- Key fob works intermittently: This often indicates a low battery that needs replacing.
- Key fob buttons are stuck or broken: The key fob might need repair or replacement.
Other helpful resources on KEYFOBPROG:
- How to program a Subaru key fob
- Understanding Subaru keyless entry systems
- Common Subaru key fob problems and solutions
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