In this guide, you will find instructions on how to replace the battery on the Hyundai key fob. 

What you will need

Procedure

  1. Remove your Hyundai key from your keychain.
  2. Use a flat head screwdriver to pry open the case. Be careful and don't point the screwdriver towards your hands. If the screwdriver slips it can injure you. 
  3. Carefully open the battery case and note the old battery. Pay attention to the (+) on the battery.
  4. Remove the old battery by sliding it out of the circuit board. 
  5. Insert the new battery making sure the positive (+) side of the battery is oriented the same way it was on the old battery.
  6. Align the key fob case and close it by pressing the two halves together. 

These instructions should help you replace the key fob (keyless) remote battery on Hyundai Elantra, Azera, Sonata, Genesis, Accent, Equus, Santa Fe, Sedona, Tucson, Veloster.

Most Hyundai key fobs use CR2032 battery but we recommend opening the key to verify the battery size before you purchase a new battery. 

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Thank you! 

Visitor
Member since 2020-07

Fantastic! I had NO SCREWS which most other instructions operate under. (2012 Tuscon)

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Hyundai Key Fob Battery Replacement | Video | DIY In this guide, you will find instructions on how to replace the battery on the Hyundai key fob.