How to Replace Battery in 2021 Subaru Crosstrek Key Fob

Replacing the battery in your 2021 Subaru Crosstrek key fob is a quick and easy process that can save you time and money. Knowing how to do this yourself prevents the inconvenience of a dead key fob and avoids a potentially costly trip to the dealership. This guide will walk you through the simple steps involved in changing your key fob battery, getting you back on the road in no time.

Understanding Your Subaru Crosstrek Key Fob

The 2021 Subaru Crosstrek key fob is a sophisticated piece of technology that allows you to lock, unlock, and start your vehicle remotely. Like all electronic devices, it relies on a small battery to power its functions. Over time, this battery will deplete and need replacing. Recognizing the signs of a dying key fob battery, such as reduced range or intermittent functionality, is crucial to avoid getting stranded.

Gathering the Necessary Tools

Before you begin, gather the following tools: a small flat-head screwdriver (or a similar tool like a coin), a fresh CR2032 battery, and optionally, a small tray or container to hold the small parts. Having everything readily available will streamline the process and prevent you from losing any small components.

Tools Needed for Replacing 2021 Subaru Crosstrek Key Fob Battery

Step-by-Step Guide: How to Replace the Battery in Your 2021 Subaru Crosstrek Key Fob

Locate the release button: On the side of your key fob, you’ll find a small release button. This button may be slightly recessed or have a small indentation.
Insert the flat-head screwdriver: Carefully insert the flat-head screwdriver into the slot next to the release button. Gently apply pressure to pry open the key fob casing.
Separate the key fob halves: Once the casing is slightly open, you can use your fingers to separate the two halves of the key fob. Be gentle to avoid breaking any internal components.
Remove the old battery: Inside the key fob, you’ll see the CR2032 battery. Use your screwdriver or fingernail to carefully pry the old battery out of its compartment.
Install the new battery: Place the new CR2032 battery into the compartment, making sure the positive (+) side is facing up.
Reassemble the key fob: Align the two halves of the key fob and press them together until they snap shut.
Test the key fob: Try locking and unlocking your car to ensure the new battery is working correctly.

Troubleshooting Tips

If your key fob still isn’t working after replacing the battery, try these troubleshooting tips:

Check the battery orientation: Make sure the new battery is installed with the positive (+) side facing up.
Clean the battery contacts: Use a cotton swab or a soft cloth to clean the battery contacts inside the key fob.
Try reprogramming the key fob: Consult your owner’s manual for instructions on how to reprogram your key fob. This is rarely necessary, but it can resolve some issues.

Conclusion

Replacing the battery in your 2021 Subaru Crosstrek key fob is a simple DIY task that takes just a few minutes. By following these steps, you can save yourself the hassle and expense of a trip to the dealership. Regularly checking and replacing your key fob battery ensures you’re always prepared and prevents unexpected lockouts. How To Replace Battery In 2021 Subaru Crosstrek Key Fob is a valuable skill for any Crosstrek owner.

FAQ

What type of battery does the 2021 Subaru Crosstrek key fob use? A CR2032 battery.
How often should I replace the key fob battery? Every 2-3 years, or sooner if you notice reduced range.
Can I replace the key fob battery myself? Yes, it’s a simple DIY task.
What if my key fob still doesn’t work after replacing the battery? Check the battery orientation, clean the contacts, or try reprogramming the key fob.
Where can I buy a CR2032 battery? Most electronics stores, pharmacies, and online retailers sell CR2032 batteries.
Is there a specific brand of CR2032 battery recommended? Any reputable brand of CR2032 battery will work.
Can a dead key fob battery damage my car? No, a dead key fob battery will not harm your car.

Common Scenarios

Key fob works intermittently: This is often the first sign of a dying battery.
Key fob only works at very close range: Reduced range indicates a weak battery.
Key fob stops working entirely: The battery is likely completely dead.