TL* THE CONTACT OWNED A 2019 KIA OPTIMA. THE CONTACT STATED THAT WHILE UPON MAKING A LEFT TURN AT 20 MPH, THE AUTOMATIC EMERGENCY BRAKING SYSTEM INDEPENDENTLY ACTIVATED AND ABRUPTLY STOPPED WITHOUT WARNING. DUE TO THE FAILURE, THE VEHICLE BEHIND HIM HIT HIM FROM BEHIND WHICH PUSHED HIS VEHICLE INTO A 270 DEGREE ANGLE. THE CONTACT STATED THAT THE PASSENGER SIDE AIRBAGS DEPLOYED; HOWEVER, HIS DRIVER SIDE AIRBAGS DID NOT. THE CONTACT STATED THAT HE HAD HIT HIS HEAD ON THE DRIVER SIDE VISOR; HOWEVER, HE DID NOT SEEK MEDICAL ATTENTION FOR THE INJURY. A POLICE REPORT WAS FILED AT THE SCENE. THE VEHICLE WAS TOTALED AS A RESULT OF THE ACCIDENT AND WAS TOWED TO HIS INSURANCE COMPANY'S COLLISION CENTER. THE DEALER NOR THE MANUFACTURER HAD YET TO BE NOTIFIED OF THE FAILURE. THE VEHICLE HAD BEEN DESTROYED. THE FAILURE MILEAGE WAS APPROXIMATELY LESS THAN 200. THE VIN WAS NOT AVAILABLE.