WAS APPROACHING LIGHT. ANOTHER VEHICLE IN FRONT SUDDENLY STOPPED. MIRAGE REAR ENDED VEHICLE AT APPROXIMATELY 5MPH. AIR BAGS DEPLOYED. NO DAMAGE DONE TO BUMPER. HAD 2 MECHANICS CHECK AIR BAGS & BOTH SAID AIR BAGS SHOULD NOT HAVE DEPLOYED. RESULTING IN 1 INJURY. EMERGENCY ROOM TREATMENT. *AK