Replacing the key fob battery for a 2018 Hyundai Tucson is a straightforward task that can be completed at home. This guide will provide step-by-step instructions to help you replace the battery quickly and efficiently.

Understanding Your Key Fob

The 2018 Hyundai Tucson uses a CR2032 lithium coin cell battery. This type of battery is widely available and can be purchased at most electronics stores or online. Knowing how to replace the battery will ensure that your key fob functions properly and maintains its convenience.

Steps to Replace the Key Fob Battery

1. Gather Your Tools

- You will need a flathead screwdriver and a new CR2032 battery.

2. Remove the Physical Key

- Locate the button on the bottom of the key fob and press it to release the physical key.

3. Open the Key Fob

- Insert the flathead screwdriver into the slot where the key was housed. Gently twist to pry open the two halves of the fob.

4. Remove the Old Battery

- Once opened, locate the battery inside. Use the screwdriver to gently lift and remove the old CR2032 battery from its compartment.

5. Insert the New Battery

- Take your new CR2032 battery and ensure that the positive side (the side with markings) is facing downwards. Place it into the compartment, ensuring it fits snugly.

6. Reassemble the Key Fob

- Align both halves of the key fob and press them together until they snap back into place securely.

7. Test Your Key Fob

- After reassembly, test your key fob by pressing any button to ensure it functions correctly.

Important Tips

  • Always dispose of old batteries responsibly.
  • If your key fob does not work after replacing the battery, double-check that it is assembled correctly and that the new battery is installed with the correct polarity.
  • Consider keeping an extra CR2032 battery on hand for future replacements.

FAQs About Key Fob Battery Replacement

    • How often should I replace my key fob battery?
      It’s advisable to replace your key fob battery every 1-2 years or when you notice decreased performance.
    • Can I use a different type of battery?
      No, using a different type of battery may not fit properly or could damage your key fob.
    • What should I do if my key fob still doesn’t work after replacing the battery?
      If your key fob doesn’t work after replacing the battery, check for proper assembly or consult a professional for assistance.