TL*THE CONTACT OWNS A 2004 NISSAN MAXIMA. WHILE DRIVING 25 MPH, THE CONTACT CRASHED THE DRIVER SIDE OF HER VEHICLE INTO THE REAR END OF ANOTHER VEHICLE. SHE STATED THAT ONLY THE PASSENGER SIDE AIR BAG DEPLOYED. THE CONTACT'S HEAD STRUCK THE STEERING WHEEL, WHICH CAUSED HER TO HAVE A HEADACHE. THE DEALER HAS NOT INSPECTED THE VEHICLE TO DETERMINE THE CAUSE OF FAILURE. A POLICE REPORT WAS FILED. THE CURRENT AND FAILURE MILEAGES WERE 70,000.