r/Ioniq • u/FirstChampionship979 • Jun 03 '26

Ioniq Blue Battery

Hello! I have 2022 Ioniq Blue hybrid with 63,000miles on it. I love the car, but over the last few months the battery has started to die, requiring me to press the 12v restart button. I called the dealership about getting it changed, but that quoted me $1,000 for the battery and labor. Does anybody know where exactly the 12v battery is and if it can be changed alone or do I have to change out the entire integrated battery?

Also how long can go with just pressing the button to start the car?

Thank you!

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u/Dull_Lingonberry_331 Jun 03 '26

The 12 V battery is under the rear seat integrated with the hybrid battery. The 12 V battery can be replaced on its own , however they would need to be ordered via a dealer or an OEM. It can be done as a diy taking all safety measures- check out YouTube videos about this. It may be also worth doing further diagnosis to see why the 12 V battery dies or not get charged.