What Size Battery For Hyundai With Key Fob: Which Battery to Buy?

The correct battery size for a Hyundai key fob is typically a CR2032. This battery is widely available and easy to replace, ensuring your key fob functions properly without issues.

Determine Your Hyundai Model and Year

To ensure you purchase the correct CR2032 battery, start by identifying your Hyundai model and year. Different models may have variations in their key fob designs, which can affect battery compatibility. Most modern Hyundai vehicles use the CR2032, but it’s important to confirm this with your specific model.

  • Popular Models: Sonata, Elantra, Tucson, Santa Fe

  • Years: Generally 2010 and newer

Check Your Owner’s Manual

The owner’s manual is a reliable resource for verifying the battery size for your key fob. It typically includes detailed specifications for all components, including the key fob battery. If you do not have the manual, many manufacturers provide digital copies online.

  • Locate the Section: Look under the “Key Fob” or “Remote” section.

  • Battery Specifications: Confirm the battery type and size.

Hyundai Key Fob Battery Size Guide

When it comes to ensuring your Hyundai key fob operates smoothly, knowing the correct battery size is essential. This guide details the specific battery types compatible with various Hyundai models, helping you make an informed choice when it’s time for a replacement. Understanding these specifications can save you time and ensure your key fob functions reliably.

Here’s a comprehensive table outlining various Hyundai models and their corresponding key fob battery sizes. This table can help you quickly identify the right battery for your vehicle.

Hyundai Model Year Range Key Fob Battery Size
Sonata 2011-2020 CR2032
Elantra 2011-2020 CR2032
Tucson 2010-2020 CR2032
Santa Fe 2013-2020 CR2032
Accent 2012-2019 CR2032

CR2032 Battery Retailer Options

When looking to replace the battery for your Hyundai key fob, the CR2032 battery is a popular choice. This section explores various retailer options where you can purchase this specific battery, ensuring you find the right fit for your needs and convenience.

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When it comes to buying a CR2032 battery, you have several options. Many retailers carry this battery, making it easy to find. Consider the following sources:

  • Local Auto Parts Stores: Often carry a variety of batteries.

  • Online Retailers: Websites like Amazon provide multiple brands and prices.

  • Convenience Stores: Many carry batteries, though selection may be limited.

Hyundai Key Fob Battery Replacement Steps

Replacing the battery in your Hyundai key fob is a straightforward process that can save you time and money. Understanding the specific steps involved will ensure you can easily access the battery compartment and install the correct replacement. This guide will walk you through each step to help you get your key fob functioning again.

Replacing the battery in your Hyundai key fob is straightforward. Follow these steps to ensure a successful replacement.

  1. Gather Tools: You will need a small flathead screwdriver and a new CR2032 battery.

  2. Open the Key Fob: Use the screwdriver to gently pry open the key fob casing.

  3. Remove the Old Battery: Take out the old battery carefully, noting the orientation.

  4. Insert the New Battery: Place the new CR2032 battery in the same orientation as the old one.

  5. Reassemble the Key Fob: Snap the casing back together until it clicks securely.

Key Fob Functionality Troubleshooting Steps

When your Hyundai key fob isn’t functioning as expected, it can be frustrating. Understanding the troubleshooting steps can help you identify whether the issue lies with the battery or another component. This guide outlines practical methods to diagnose and resolve key fob problems effectively.

If your key fob still does not work after replacing the battery, consider these troubleshooting steps.

  • Check Battery Orientation: Ensure the battery is positioned correctly.

  • Inspect for Damage: Look for any signs of wear or damage on the fob.

  • Reprogram the Key Fob: Some models may require reprogramming after a battery change.

Key Fob Battery Safety Tips

When replacing the battery in your Hyundai key fob, it’s essential to prioritize safety to ensure proper functionality and avoid damage. Understanding the correct handling and disposal methods for batteries can help prevent accidents and extend the life of your key fob. Here are some important safety tips to keep in mind during the battery replacement process.

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When replacing key fob batteries, keep the following safety tips in mind.

  • Avoid Short Circuits: Do not allow the battery terminals to touch metal objects.

  • Dispose of Batteries Properly: Follow local regulations for battery disposal.

  • Keep Away from Children: Small batteries can be a choking hazard.

Hyundai Key Fob Battery Specifications

Understanding the battery specifications for your Hyundai key fob is essential for maintaining its functionality. Different models may require specific battery types and sizes, so knowing these details can help you make an informed purchase. This section outlines the key fob battery specifications to ensure you choose the right one for your vehicle.

Understanding the correct battery size for your Hyundai key fob is essential for maintaining your vehicle’s convenience features. The CR2032 battery is the standard for most models.

Always refer to your owner’s manual for the most accurate information. Proper replacement and handling ensure your key fob functions reliably for years to come.

Evan Armstrong is a lead automotive engineer at Car Troubleshooters with over 15 years of experience in the automotive industry. He has a Master's degree in Automotive Engineering and a deep understanding of how cars work and what it takes to fix them.

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