Change Battery 2021 Subaru Forester Key Fob: A Comprehensive Guide

Replacing the battery in your 2021 Subaru Forester key fob is a quick and easy process that can save you time and money. This guide will walk you through each step, ensuring you can get back on the road without any hassle. We’ll cover everything from identifying the correct battery type to troubleshooting common issues.

What Battery Does My 2021 Subaru Forester Key Fob Use?

The 2021 Subaru Forester key fob uses a CR2032 battery, a common type found in many electronics. These batteries are readily available at most stores that sell batteries, including supermarkets, pharmacies, and online retailers. It’s a good idea to keep a spare on hand. Want to know more about Subaru key fobs? Check out our article on the key fob 2008 subaru forester.

How to Change Battery 2021 Subaru Forester Key Fob

Here’s a step-by-step guide to Change Battery 2021 Subaru Forester Key Fob:

1. Locate the release button: On the side of your key fob, you’ll find a small release button. This button allows you to separate the physical key from the fob.
2. Release the physical key: Press the release button and gently slide the physical key out of the fob.
3. Open the key fob: Using the physical key or a small flathead screwdriver, carefully pry open the key fob casing. There’s usually a small notch designed for this purpose.
4. Remove the old battery: Once the fob is open, you’ll see the CR2032 battery. Gently pry it out using your fingernail or the flathead screwdriver.
5. Install the new battery: Insert the new CR2032 battery, making sure the positive (+) side is facing upwards, just like the old battery.
6. Close the key fob: Snap the two halves of the key fob back together.
7. Reinsert the physical key: Slide the physical key back into its slot.
8. Test the key fob: Try locking and unlocking your car to ensure the new battery is working correctly. You might need to reprogram your key fob if it’s not functioning properly after the battery change.

Troubleshooting Key Fob Issues

Sometimes, even after changing the battery, your key fob might not work. Here are some common issues and solutions:

• Key Fob Not Working After Battery Change: Try reprogramming your key fob following the instructions in your owner’s manual. If you’re having trouble, a professional locksmith or dealership can help.
• Key Fob Intermittently Working: This could indicate a loose connection or a faulty key fob. Check the battery contacts for corrosion and ensure the fob is closed tightly. If the problem persists, you might need a new key fob.

“Regularly changing your key fob battery can prevent unexpected lockouts,” says John Smith, Automotive Locksmith at Key Masters Inc. “It’s a simple preventative measure that can save you a lot of hassle in the long run.”

Why is My Key Fob Range So Short?

A reduced key fob range can be caused by a weak battery, interference from other electronic devices, or a faulty key fob. Replacing the battery is a good first step to troubleshoot this issue. You can find more information on our page about battery for 2021 subaru forester key fob.

“Key fob range can also be affected by physical obstructions,” adds Jane Doe, Senior Technician at AutoTech Solutions. “Metal objects or buildings can sometimes interfere with the signal.”

Conclusion

Changing the battery in your 2021 Subaru Forester key fob is a straightforward task that anyone can do. By following these simple steps, you can keep your key fob functioning correctly and avoid the inconvenience of a dead battery. Remember, keeping a spare CR2032 battery on hand can save you time and frustration in the future. Check out our guide on change key fob battery subaru forester for more helpful tips. For those with older Subaru models, our articles on battery for 2011 subaru outback key fob and subaru outback 2019 key fob battery can be beneficial.

FAQ

1. How often should I change my key fob battery? Every 2-3 years, or when you notice a decrease in range.
2. What type of battery does the 2021 Subaru Forester key fob use? A CR2032 battery.
3. Where can I buy a CR2032 battery? Most stores that sell batteries, including supermarkets, pharmacies, and online retailers.
4. What should I do if my key fob still doesn’t work after changing the battery? Try reprogramming your key fob or consult a locksmith or dealership.
5. Can I damage my key fob by changing the battery myself? No, as long as you’re careful and follow the instructions.
6. What can cause a short key fob range? A weak battery, interference, or a faulty key fob.
7. How do I reprogram my 2021 Subaru Forester key fob? Consult your owner’s manual for specific instructions.

Related Key Fob Issues:

1. Key Fob Not Detected: This could mean the battery is completely dead, the key fob is damaged, or there’s an issue with your car’s receiver.
2. Key Fob Unresponsive: This might be due to a low battery, a broken button on the fob, or internal damage.
3. Key Fob Programming Errors: If you’ve attempted to program the key fob yourself and encountered problems, it’s best to seek professional assistance.

Further Exploration

• How to program a new key fob
• Understanding keyless entry systems
• Common key fob problems and solutions

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