TL* THE CONTACT OWNS A 2011 HYUNDAI SONATA. THE CONTACT STATED THAT WHILE SITTING AT A TRAFFIC LIGHT, THERE WAS AN ABNORMAL INCREASE IN ENGINE RPMS. THE CONTACT MENTIONED THAT HE FELT AS IF THE VEHICLE WANTED TO LUNGE FORWARD EVERY TIME THE FAILURE OCCURRED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE VEHICLE WAS TEST DRIVEN BY A TECHNICIAN. THE FAILURE RECURRED WHILE BEING TEST DRIVEN AND THE VEHICLE INDEPENDENTLY ACCELERATED UP AN EMBANKMENT, CRASHED INTO A TREE AND THEN ROLLED OVER. THE TECHNICIAN SUSTAINED MINOR INJURIES AND THE VEHICLE WAS DESTROYED. A POLICE REPORT WAS FILED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 36,000 AND THE CURRENT MILEAGE WAS 44,500.