Replacing Battery Subaru Key Fob: A Comprehensive Guide

Replacing a dead battery in your Subaru key fob is a common task that can be done easily at home, saving you a trip to the dealership. This guide will walk you through the process step-by-step, offering tips and addressing common issues. Let’s get started!

Knowing how to replace the battery in your Subaru key fob can save you time and money. Many people rush to the dealership or a locksmith when their key fob starts malfunctioning, but often a simple battery replacement is all that’s needed. This guide will empower you to handle this task yourself. For specific Subaru models, you might find our guides on replacing the battery in subaru key fob and subaru key with fob helpful.

Identifying the Right Battery for Your Subaru Key Fob

Before you start, it’s crucial to identify the correct battery type. Most Subaru key fobs use a CR2032 3V lithium battery. You can usually find this information in your owner’s manual. You can also check online resources or contact a local auto parts store. Using the wrong battery type can damage your key fob.

Gathering the Necessary Tools

You’ll need a few simple tools: a small flathead screwdriver or a key, the new CR2032 battery, and optionally a small pick or tweezers. Having the right tools ready will make the process smoother.

Subaru Key Fob Battery Replacement Tools

Step-by-Step Guide to Replacing Your Subaru Key Fob Battery

1. Locate the release slot: Most Subaru key fobs have a small release slot or button on the side or back.

2. Insert the screwdriver/key: Gently insert the flathead screwdriver or key into the release slot.

3. Twist or pry: Carefully twist or pry open the key fob casing. Avoid using excessive force to prevent damage.

4. Identify the battery compartment: Once open, locate the battery compartment.

5. Remove the old battery: Using your fingernail, a small pick, or tweezers, carefully remove the old battery.

6. Insert the new battery: Insert the new CR2032 battery, making sure the positive (+) side is facing up, just as the old battery was positioned.

7. Close the casing: Align the two halves of the key fob casing and press them together firmly until they snap shut.

8. Test the key fob: Try locking and unlocking your car to ensure the new battery is working correctly.

Troubleshooting Common Issues

• Key fob still not working: Double-check that the new battery is installed correctly with the positive (+) side facing up. If the issue persists, you may need to reprogram your key fob, or there could be a more serious problem requiring professional assistance. Check out our guide on change battery in key fob subaru for further troubleshooting tips.
• Damaged key fob casing: If you accidentally damage the casing during the process, you can usually purchase replacement casings online.

Key Fob Programming

Sometimes, after replacing the battery, your Subaru key fob might need to be reprogrammed. This usually involves a specific sequence of actions involving the ignition and door locks. Refer to your owner’s manual for detailed instructions on programming your specific Subaru model’s key fob. For information on specific key fobs, you might find our guide on subaru outback flip key fob useful, or if you have a sportier model, our guide on subaru sti key fob.

Conclusion

Replacing the battery in your Subaru key fob is a simple and cost-effective task that most car owners can easily handle at home. By following this guide and taking necessary precautions, you can save yourself time and money while keeping your Subaru’s key fob in perfect working order. Remember, replacing your key fob battery is a minor maintenance task that can prevent major inconveniences down the road.

FAQ

1. How often should I replace my Subaru key fob battery? Typically, a Subaru key fob battery lasts between 2 and 5 years.
2. Can I use any type of CR2032 battery? Yes, any brand of CR2032 3V lithium battery should work.
3. What if my key fob still doesn’t work after replacing the battery? Try reprogramming the key fob or consult your owner’s manual.
4. Where can I buy a replacement CR2032 battery? Most auto parts stores, electronics stores, and online retailers sell these batteries.
5. Is it difficult to open the key fob casing? No, it’s usually quite simple with the right tools and a little care.
6. Can I damage my key fob by replacing the battery myself? It’s possible if you use excessive force, so be gentle.
7. Do I need to take my car to a dealership to replace the key fob battery? No, it’s a DIY task.

Other situations you might encounter:

• Key fob buttons become unresponsive: Before replacing the battery, check if the buttons are physically stuck or obstructed.
• Key fob works intermittently: This can indicate a weak battery or a connection issue within the key fob.

Need more help with your Subaru key fob?

Check out these other helpful articles on KEYFOBPROG:

• How to program a Subaru key fob
• Common Subaru key fob problems and solutions
• Different types of Subaru key fobs

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