2021 Hyundai Sonata Hybrid Recalls

“I purchased this vehicle pre-owned approximately two years ago and have since developed concerns about its reliability, particularly related to the electrical and hybrid systems. In hindsight, I suspect these issues may be part of the reason the original owner traded it in to a carmax dealer.…”

“The vehicle’s 12-volt electrical system repeatedly loses power within about 1 hour of sitting. The car becomes completely unresponsive (cannot unlock or start) and requires use of the built-in 12v battery reset button to restore power. This occurs frequently and makes the vehicle unreliable and…”

“See attached document for complaint.”

“This is on my 2021 hyundai sonata hybrid limited - for the 7th time the vehicle has been completely dead and unresponsive. I have had to gain entry to the vehicle using the manual key and press the "jump" button to get the vehicle to start. The hyundai dealership ran a bunch of battery updates to…”

“Every day the car is dead, have to take the manual key out pop door cover off unlock car manually push the 12v reset button and hold fob to start/stop button for car to work again. Happens daily.”

“12v battery dying randomly”

“Air flow check engine light alerted and source was faulty fuel injector which required replacement of 4 fuel injectors.”

“Owned car since 09/2024 with 64k miles. Battery system (12v/hybrid system) has shut down and died 47 times since 04/2025 - no shut downs before then. Car with ~69k miles at that time. Dealer had car six weeks (05/17 to 07/05/2025) and it died “a numberâ€� of times and report that hyundai claims…”