The contact owns a 2020 Kia Soul. The contact stated while driving approximately 35-40 MPH, the vehicle stalled with several unknown warning lights illuminated. After several attempts, the vehicle was restarted, and the contact was able to pull over to the side of the road. After waiting for a while the contact was able to restart the vehicle and continued driving slowly; however, the failure recurred. The contact had to turn off and restart the vehicle several times. The vehicle was taken to an independent mechanic where it was diagnosed that the throttle had failed and needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was approximately 30,000.