TL*THE CONTACT OWNS A 2006 HYUNDAI SONATA. WHILE MAKING A LEFT TURN AT 5 MPH, THE FRONT PASSENGER SEAT BECAME UNATTACHED AND FLIPPED OVER. THE PASSENGER SUSTAINED BACK INJURIES. THE VEHICLE WAS DRIVEN TO THE DEALER AND THEY STATED THAT THE BOLTS FOR THE FRONT PASSENGER SEAT WERE MISSING. THE CURRENT AND FAILURE MILEAGES WERE 22,100.