Hyundai Sonata Key Fob Battery Replacement (2015 – 2020)

Introduction

Replacing the battery in your Hyundai Sonata key fob is a simple task that you can do at home. This guide will walk you through the process step-by-step, ensuring that you can get your key fob working again in no time.

The key fob for the Hyundai Sonata from 2015 to 2020 uses a CR2032 battery. These batteries are easily available online and can be delivered to your door. You can find them on Amazon for just a couple of dollars.

Tools and Materials Needed

• CR2032 coin battery
• Flathead screwdriver
• Precision screwdriver

Step-by-Step Guide

Step 1: Remove the Internal Key

Start by taking the key fob and pressing the button to release the internal key. Put the key aside for now.

Step 2: Locate the Keyhole and Slot

Look inside the key fob to find the keyhole. Next to the keyhole, there is a small slot. This is where you will insert your flathead screwdriver.

Step 3: Separate the Key Fob Halves

Insert the flathead screwdriver into the slot and twist it to separate the two halves of the key fob. Once they are apart, you can pull them apart with your fingers.

Step 4: Remove the Old Battery

Inside the key fob, you will see the battery housed in its compartment. The battery might be difficult to remove with just your fingers, so use a precision screwdriver. Insert the screwdriver into the top-right area of the battery compartment and pry the battery out.

Step 5: Insert the New Battery

Take a new CR2032 battery and ensure that the positive side, which has the battery information, faces down. Position the battery into its housing by pushing the bottom down first into the metal component, then press the top of the battery to secure it in place.

Step 6: Reassemble the Key Fob

Reconnect the two halves of the key fob by clicking them back together. If the battery has been installed correctly, the key fob should power on.

Tips and Tricks

• Order a pack of CR2032 batteries to have spares.
• Use a precision screwdriver for safe battery removal.
• Ensure the positive side of the battery faces down.

Common Issues and Solutions

Key Fob Not Powering On

If your key fob does not power on after replacing the battery, double-check that the battery is inserted correctly. Ensure the positive side is facing down and the battery is securely in place.

Difficulty Separating Key Fob Halves

If you have trouble separating the two halves of the key fob, make sure you are inserting the flathead screwdriver into the correct slot. A gentle twist should be enough to separate them.

FAQs

What type of battery does the Hyundai Sonata key fob use?

The Hyundai Sonata key fob uses a CR2032 coin battery.

Where can I buy the CR2032 battery?

You can purchase CR2032 batteries on Amazon or at most electronics stores.

Do I need any special tools to replace the battery?

A flathead screwdriver and a precision screwdriver are helpful for replacing the battery.

How often should I replace the key fob battery?

Typically, the key fob battery should be replaced every 1-2 years, depending on usage.

Can I use a different battery type?

No, it is recommended to use a CR2032 battery as specified by the manufacturer.

Conclusion

Replacing the battery in your Hyundai Sonata key fob is a straightforward process. With just a few tools and a new CR2032 battery, you can have your key fob working like new in minutes.

By following this guide, you’ll save time and money by avoiding a trip to the dealership. Happy DIY battery replacement!