Replace 2021 Subaru Key Fob Battery: A Comprehensive Guide

Is your 2021 Subaru key fob acting up? A dead battery could be the culprit. While this is a common issue and typically an easy fix, it can be frustrating dealing with a malfunctioning key fob. This guide will walk you through everything you need to know about how to Replace 2021 Subaru Key Fob Battery, troubleshooting tips, and answer some frequently asked questions.

Recognizing a Dying Key Fob Battery in your Subaru

Before you start digging for a new battery, it’s important to make sure that a dying battery is actually the problem. Here are a few telltale signs that your Subaru key fob battery needs replacing:

Decreased Range: You find yourself having to stand closer to your car for the key fob to unlock or lock the doors.
Intermittent Functionality: The key fob works sometimes but not other times.
Warning Light or Message: Your Subaru dashboard displays a “Key Fob Battery Low” warning message.
Slow Response: There’s a noticeable delay between pressing a button on the key fob and the car responding.

What You Need to Replace Your 2021 Subaru Key Fob Battery

Replacing the battery in your Subaru key fob is a straightforward process that most people can handle at home. Here’s what you’ll need:

New Battery: The 2021 Subaru key fob uses a CR2032 battery. These are readily available at most stores that sell batteries.
Small Flathead Screwdriver: This is used to pry open the key fob.

2021 Subaru Key Fob Battery Replacement Tools

How to Replace Your 2021 Subaru Key Fob Battery: A Step-by-Step Guide

Ready to tackle the battery replacement? Here’s a detailed step-by-step guide:

Locate the Key Fob Release Button: On the back of your Subaru key fob, you’ll find a small button.
Release the Emergency Key: Press the release button and gently slide the emergency key out of the fob.
Separate the Fob Halves: Using the flathead screwdriver, carefully pry open the key fob casing at the seam. There’s usually a small notch where you can insert the screwdriver.
Remove the Old Battery: The CR2032 battery will be clearly visible. Gently pry it out, paying attention to its orientation.
Insert the New Battery: Place the new CR2032 battery into the fob, making sure the positive (+) side faces up, the same way the old battery was positioned.
Reassemble the Key Fob: Align the two halves of the key fob casing and press them together until you hear a click, indicating they are securely closed.
Reinsert the Emergency Key: Slide the emergency key back into its slot on the fob.
Test the Key Fob: Try locking and unlocking your car doors to make sure the new battery is working properly.

Replacing a 2021 Subaru Key Fob Battery

Still Having Trouble? Troubleshooting Tips

If you’ve replaced the battery and your key fob is still not working, don’t worry! Here are a few troubleshooting tips:

Check Battery Orientation: Ensure the new battery is installed with the positive (+) side facing up.
Clean the Battery Contacts: Use a cotton swab and a small amount of rubbing alcohol to clean the battery contacts inside the key fob.
Try Reprogramming the Key Fob: Your Subaru owner’s manual should have instructions on how to reprogram the key fob if needed.
Consult a Professional: If you’ve exhausted all troubleshooting options, consider taking your car and key fob to a qualified Subaru dealership or an automotive locksmith for assistance.

“It’s always a good idea to have a spare key fob battery on hand,” says John Smith, Senior Automotive Technician at ABC Auto. “That way, you can avoid any unexpected lockouts or inconveniences caused by a dead battery.”

Frequently Asked Questions About Subaru Key Fob Batteries

Q: How long does a Subaru key fob battery last?
A: Subaru key fob batteries typically last between 3 to 5 years, depending on usage and environmental factors.

Q: Can I use any CR2032 battery in my Subaru key fob?
A: While any CR2032 battery will technically fit, it’s recommended to use a reputable brand for optimal performance and longevity.

Q: Can a dead key fob battery drain my car battery?
A: No, a dead key fob battery will not drain your car battery. The two batteries operate independently.

Subaru Key Fob Range

Don’t Let a Dead Battery Leave You Stranded

Replacing the battery in your 2021 Subaru key fob is a quick and easy DIY task that can save you time and money. By following the simple steps outlined in this guide, you can get back to enjoying the convenience of your keyless entry system in no time. Remember to keep a spare battery on hand for those unexpected moments!

Do you have any more questions about Subaru key fobs or other automotive locksmith services? Check out our other helpful articles:

Need help replacing your 2021 Subaru key fob battery or experiencing other key fob issues? We’re here to help! Contact our 24/7 customer support team via Whatsapp: +1 (641) 206-8880. Or visit us at 1326 N Houston St, Amarillo, TX 79107, USA.