2018 Hyundai Elantra Key Fob: Everything You Need to Know

The 2018 Hyundai Elantra offers a stylish design and a comfortable driving experience. And like any modern car, it comes equipped with a key fob that offers both convenience and security. But what happens if your key fob stops working? How do you program a new one? This comprehensive guide dives deep into everything you need to know about the 2018 Hyundai Elantra Key Fob, from programming and replacement to troubleshooting common issues.

Understanding Your 2018 Hyundai Elantra Key Fob

The key fob for the 2018 Hyundai Elantra is a small, electronic device that allows you to remotely lock and unlock your car doors, open the trunk, and even start the engine. It communicates with your Elantra wirelessly and uses radio frequencies to send and receive signals.

Common 2018 Hyundai Elantra Key Fob Issues

While Hyundai key fobs are generally reliable, you might encounter some common issues:

  • Key Fob Not Working: This could be due to a dead battery, signal interference, or a problem with the key fob itself.
  • Key Fob Won’t Program: If you’re trying to program a new key fob yourself, there might be a specific sequence you need to follow.
  • Key Fob Range Issues: If you’re noticing a reduced range with your key fob, the battery could be low, or there could be interference from other electronic devices.

2018 Hyundai Elantra Key Fob Battery Replacement

A dead key fob battery is one of the most common reasons your key fob might stop working. Here’s how to replace it:

  1. Identify the Battery Type: The 2018 Hyundai Elantra key fob typically uses a CR2032 battery. You can find this battery at most hardware and electronics stores.
  2. Open the Key Fob: Locate the small release button or notch on the key fob. Use a small flat-head screwdriver or a fingernail to carefully pry open the key fob casing.
  3. Replace the Battery: Remove the old battery and install the new one, ensuring the positive (+) side is facing up.
  4. Reassemble the Key Fob: Carefully snap the two halves of the key fob casing back together.

2018 hyundai elantra key fob battery replacement size

Programming a 2018 Hyundai Elantra Key Fob

In some cases, you might need to program a new key fob yourself. Here’s a general guide, but always refer to your owner’s manual for model-specific instructions:

  1. Get In the Vehicle: Sit in the driver’s seat with all doors closed and the windows rolled up.
  2. Insert the Key: Insert your existing working key into the ignition cylinder.
  3. Turn to the “ON” Position: Turn the key to the “ON” position but don’t start the engine.
  4. Hold the Lock or Unlock Button: Press and hold the lock or unlock button on your new key fob for 30 seconds to a minute.
  5. Listen for a Chime: You should hear a chime or see the car’s hazard lights flash, indicating successful programming.

2018 hyundai elantra key fob programming

When to Seek Professional Help

If you’ve tried troubleshooting your key fob issues and are still experiencing problems, it’s best to seek professional assistance from a Hyundai dealership or a qualified automotive locksmith.

“Attempting to program a key fob without the proper knowledge can sometimes create more problems,” says Jason Parker, a senior automotive technician with over 15 years of experience. “It’s always a good idea to consult with a professional, especially if you’re unsure about the process.”

2018 hyundai elantra key fob not working

2018 Hyundai Elantra Key Fob Replacement Cost

The cost of replacing a 2018 Hyundai Elantra key fob can vary depending on where you go and whether you need additional programming.

  • Dealership Replacement: Dealerships typically charge more for both the key fob and programming.
  • Automotive Locksmith: You might find more competitive pricing with an automotive locksmith.

2018 hyundai elantra key fob replacement

Maintaining Your 2018 Hyundai Elantra Key Fob

Here are some tips to keep your key fob in good working order:

  • Regular Battery Changes: Replace the battery every 2-3 years to prevent unexpected issues.
  • Avoid Extreme Temperatures: Don’t leave your key fob in direct sunlight or extreme cold, as this can damage the battery and internal components.
  • Protect from Physical Damage: Avoid dropping your key fob or subjecting it to impacts that could crack the casing or damage the internal electronics.

Conclusion

The key fob on your 2018 Hyundai Elantra is a convenient feature that simplifies your driving experience. By understanding how it works, common issues, and how to perform basic maintenance, you can keep your Elantra secure and ensure your key fob keeps you moving.

2018 hyundai elantra key fob battery size

FAQs

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

You might notice a decreased range with your key fob, or it might start working intermittently. These are often the first signs of a dying battery.

Can I drive my 2018 Hyundai Elantra with a dead key fob battery?

Yes, but you’ll need to use the physical key blade to unlock your car door and likely start the engine. Refer to your owner’s manual for instructions on starting your Elantra with a dead key fob battery.

Can I program a used 2018 Hyundai Elantra key fob to my car?

In most cases, used key fobs need to be cleared and reprogrammed by a Hyundai dealership or a qualified automotive locksmith before they can be used with a different vehicle.

What should I do if my 2018 Hyundai Elantra key fob gets wet?

Remove the battery immediately and try to dry the key fob thoroughly. If it still doesn’t work after drying, you might need to have it inspected or replaced.

My Hyundai Elantra key fob is only working sometimes. What could be the problem?

This could be due to a dying battery, signal interference, a weak connection within the Key Fob itself, or a problem with your car’s receiver.

Need further assistance? Contact us via WhatsApp: +1(641)206-8880 or email us at: [email protected]. Our customer support team is available 24/7 to assist you. You can also check out our other articles on our website for more helpful tips and guides.


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