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Battery for Hyundai Key Fob: What You Need to Know

A dead battery in your Hyundai key fob can be a major inconvenience. You may find yourself unable to lock or unlock your doors remotely or even start your car. Luckily, replacing the battery in your Hyundai key fob is a quick and easy process that most people can do at home with a few simple tools. This guide will walk you through everything you need to know about the battery for your Hyundai key fob.

What kind of battery does a Hyundai key fob use?

Most Hyundai key fobs use a small, flat, coin-shaped battery known as a CR2032 battery. These batteries are readily available at most auto parts stores, drugstores, and even grocery stores.

How do I know if my Hyundai key fob battery is dead?

There are a few telltale signs that your Hyundai key fob battery may be dead or dying. These include:

  • Decreased range: You may notice that you need to be closer to your car for the key fob to work.
  • Intermittent operation: The key fob may work sometimes but not others.
  • The key fob doesn’t work at all: This is the most obvious sign that your battery is dead.

Pro Tip from John Miller, Certified Automotive Electrician: “Many Hyundai vehicles will also display a warning message on the dashboard if the key fob battery is low. Be sure to check your owner’s manual for specific instructions related to your vehicle model.”

How to Change the Battery in a Hyundai Key Fob

Replacing the battery in your Hyundai key fob is a simple process. Here are step-by-step instructions:

  1. Locate the battery compartment: This is usually on the back of the key fob. Some key fobs have a small release button that you need to press to open the battery compartment, while others may require you to pry open the compartment with a small flathead screwdriver.

  2. Remove the old battery: Carefully remove the old battery from the compartment. Take note of the battery’s orientation so you can install the new one correctly.

  3. Install the new battery: Insert the new CR2032 battery into the compartment, making sure the positive (+) side is facing up.

  4. Close the battery compartment: Snap the battery compartment closed or replace the screw that holds it in place.

  5. Test the key fob: Make sure the key fob works by locking and unlocking your car doors and starting the engine.

How long does a Hyundai key fob battery last?

The battery in a Hyundai key fob typically lasts between three and five years, depending on usage.

Pro Tip from John Miller, Certified Automotive Electrician: “If you are unsure about how to replace the battery in your Hyundai key fob, you can always consult your owner’s manual or take it to a qualified mechanic or dealership for assistance.”

FAQs about Hyundai Key Fob Batteries

Q: Can I use any CR2032 battery in my Hyundai key fob?

A: While most CR2032 batteries will work, it is always best to use a high-quality battery from a reputable brand.

Q: What happens if I put the battery in backward?

A: Inserting the battery backward will not damage your key fob. Simply remove the battery and reinsert it with the positive (+) side facing up.

Q: Can I replace the battery in my Hyundai key fob myself, or do I need to take it to a dealership?

A: Replacing the battery in a Hyundai key fob is a simple task that most people can do themselves at home.

Q: Can a dead key fob battery drain my car battery?

A: No, a dead key fob battery will not drain your car battery.

Q: How much does it cost to replace the battery in a Hyundai key fob?

A: A CR2032 battery typically costs just a few dollars.

Conclusion

Dealing with a dead key fob battery is never fun. However, armed with the information in this guide, you can quickly and easily change the battery in your Hyundai key fob yourself and get back on the road. Remember to always follow the safety precautions outlined in your owner’s manual and consult a qualified professional if you have any doubts or concerns.