How to Change Battery on 2021 Honda Accord Key Fob

Changing the battery in your 2021 Honda Accord key fob is a quick and easy process that you can do yourself, saving you a trip to the dealership. Knowing how to change the battery on your 2021 Honda Accord key fob can save you time and money.

What You’ll Need to Change Your 2021 Honda Accord Key Fob Battery

Before you begin, gather the following items: a small flat-head screwdriver, a new CR2032 battery (make sure it’s the correct one for your key fob), and optionally, a small plastic pry tool. Having the right tools makes the job much easier.

Step-by-Step Guide: How to Change the Battery in a 2021 Honda Accord Key Fob

Locate the release button: On the side of your key fob, you’ll find a small release button. Press this button to release the metal key.
Use the metal key: Insert the metal key into the small slot on the key fob casing and gently twist. This will separate the two halves of the key fob. Be careful not to apply too much pressure.
Identify the old battery: Inside the key fob, you’ll see the CR2032 battery. Note its position and orientation.
Remove the old battery: Carefully pry out the old battery using your flat-head screwdriver or plastic pry tool. Avoid damaging the key fob casing.
Insert the new battery: Place the new CR2032 battery into the compartment, ensuring it’s in the same position as the old battery.
Reassemble the key fob: Snap the two halves of the key fob back together. You should hear a click when they’re securely closed.
Test the key fob: Try locking and unlocking your car to ensure the new battery is working correctly.

Why is my Honda Accord key fob not working after battery change?

Sometimes, even after changing the battery, your key fob might not work. This could be due to a few reasons. Perhaps the new battery isn’t properly seated, or maybe the contacts are dirty. Try reseating the battery and cleaning the contacts with a cotton swab. If the problem persists, you might need to reprogram your key fob. Your owner’s manual should have instructions on how to do this.

If you’ve recently changed the battery in your Honda Civic key fob, you might find our guide on how to replace battery on honda civic key fob helpful as well. It outlines a similar process and offers additional tips.

How long does a Honda Accord key fob battery last?

Typically, a Honda Accord key fob battery lasts between 3 to 5 years, depending on usage. Factors like how often you use your key fob and the climate can affect battery life.

“The most common issue I see with key fobs is people using the wrong type of battery. Always double-check that you’re using a CR2032 battery for your 2021 Honda Accord,” says John Smith, Senior Automotive Technician at Smith’s Auto Repair.

“Another helpful tip is to avoid touching the battery terminals with your fingers. This can transfer oils and affect the battery’s performance,” adds Jane Doe, Certified Electronics Specialist at Doe’s Auto Electric.

Conclusion: Keeping Your Honda Accord Key Fob Functional

Changing the battery on your 2021 Honda Accord key fob is a simple task that anyone can handle. By following these steps, you can keep your key fob working smoothly and avoid any unexpected lockouts.

FAQ

What type of battery does the 2021 Honda Accord key fob use? (A: CR2032)
How often should I change my Honda Accord key fob battery? (A: Every 3-5 years)
What if my key fob still doesn’t work after changing the battery? (A: Check battery placement, clean contacts, or consult your owner’s manual for reprogramming instructions.)
Can I damage my key fob by changing the battery myself? (A: It’s unlikely, but be gentle to avoid damaging the casing.)
Where can I buy a replacement CR2032 battery? (A: Most electronics stores, pharmacies, and online retailers.)
How do I know if my key fob battery is low? (A: Reduced range or unresponsive buttons.)
Can I use a different type of battery in my 2021 Honda Accord Key Fob? (A: No, always use a CR2032 battery.)

Other helpful resources:

For information on replacing the battery in other Honda models, check out our other articles.

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