How to Replace the Battery in a 2020 Hyundai Elantra Key Fob

How to Replace the Battery in a 2020 Hyundai Elantra Key Fob

Key fob allow easy access to your auto. Once the keyless entry remote battery is dead you will not to be able lock doors remotely. In this article, we walks you through how to disassembly your key fob and change your Hyundai key battery step by step.

What size battery does 2020 Hyundai Elantra keyless entry remote required

Prior to open keyless entry remote be sure that you have all recommended tools and materials: 1 CR2032 battery and flat head screwdriver.
  • 1xCR2032 battery
  • flat head screwdriver

Simple steps to change the battery in your Elantra's key fob

Inside of your remote key fob installed small button cell battery. Remove any internal key first, and then try to pry apart the keyless entry remote.

Delicately try to open your keyless entry remote with flat head screwdriver. Change 1 CR2032 battery with flat head screwdriver.

Get new battery and install it inside fob’s case. Battery must be installed with the same polarity as was a previous. Your key will not work if you by mistake put battery wrong way.

After the new battery installed, verify keyless entry remote by pressing buttons. If all functions works, assemble your fob’s shell in reverse order.

At this point squeeze keyless entry fob's back cover together. Line your shell two halves together and put it in place by hands from top to bottom. Check your key case for gaps. If it is not tightly closed try to repeat last step.

Key Fob Battery Replacement 2020 Hyundai Elantra Video

Hyundai Elantra Key Fob Battery Replacement - DIY

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Hyundai Elantra use 1xCR2032 batteries. Price for CR2032 batteries are under $6 depending on the brand, size packaging and type you buy. You can take old battery to the store, to find a proper replacement.

Keyless entry remote in most of cases reprogramming not required after battery replace. If your remote key fob not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Replacing your remote key fob battery is easy to do in 2020 Hyundai Elantra. Most of car manufacturers think about customers and make a special hole for key fob disassembly.

The price to replace the battery inside key fob can run anywhere $50-600 depending on the make and the service pricing.

You should replace batteries inside keyless entry remote of Hyundai Elantra at least once in 4 years. The term of battery differ on their amount of use, operating conditions and quality.

If your auto fob's battery more than 4 years old, key fob buttons not working, need multiple clicks to unlock or lock doors or has low key battery indicator on dashboard, it's probably battery replace in keyless entry remote required. Currently installed battery is discharged with a high probability, but if it's not fix problem, remote key fob replace or repair needed.
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Fob Compatibility:

  1. FCC ID: OSLOKA-423T
  2. Models: 2016-2020 Hyundai Elantra