NHTSA complaint #11739708

Owner complaint summary

I took my vehicle in to the dealership on April 24, 2026 for a software update after receiving notice in the mail. The update changed my auto stop/start so that it is on whenever the vehicle is started. When removing my foot from the brake the car surges forward without me touching the gas peddle. I took my Hyandai back in to the dealership on May 4, 2026, and was told that the auto stop/start was supposed to now be staying on as that was in the software update. They said they could not duplicate the surging of the vehicle. It has surged strong enough to move forward, while stopped at an intersection, that it put me out two to three feet. I felt it necessary to put it in reverse and back up it was out so far. This will absolutely put others at risk as I drive and work in a downtown area with lots of crosswalks with lots of people crossing, and should vehicles be stopped in front of me, it could hit them. I can turn it off, but in the beginning it seemed to be turning itself back on. Additionally, I am not used to always turning it off because I never had to before and I don't always remember. This week, something new: When pulling off after starting the car, even if I remember to turn off the start/stop, the car is jerking forward when I depress the gas. It's like it is getting surges of gas, or like the peddle is being pushed to the floor, let off, pushed to the floor, let off, etc. I am so incredibly scared now to just drive the vehicle I've loved for over five years now. My vehicle has not been inspected by the manufacturer, police, insurance or any others. I did not know this was an option. I would love to get more information about how to go about this. There are no warnings of any kind when this occurs, which is every single time I get in it. Please, someone, tell me what I can do further. Continue taking it back to the dealership? Ride with them next time? I just am at a loss and incredibly scared. I am a woman in my 60s.