TL*THE CONTACT RENTED A 2007 KIA SPECTRA. THE CONTACT STATED THAT THE FRONT AND REAR PASSENGER SIDE AIR BAGS DEPLOYED WITHOUT WARNING WHEN THE KEY WAS PLACED IN THE IGNITION. THE DRIVER SUFFERED HEARING LOSS IN THE LEFT EAR, WHIPLASH IN THE NECK, AND A CUT ON THE ARM. THE REAR PASSENGER WAS A NINE YEAR OLD CHILD WHO SUFFERED HEAD INJURIES. THE VIN, ENGINE SIZE, NUMBER OF CYLINDERS, AND PURCHASE DATE WERE UNAVAILABLE. THE CURRENT AND FAILURE MILEAGES WERE 29,000.