WHILE DRIVING IN THE EVENING, ON A SLIGHTLY WINDING, SMOOTH, GRAVEL ROAD AT ABOUT 30 TO 35 MPH, TEMPERATURE ABOUT 34 DEGREES F, THE AIRBAG IN THE PASSENGER SEAT DEPLOYED. THERE WAS NOT ANY FORM OR TYPE OF COLLISION. DURING THE TIME I HAVE HAD THE CAR, ABOUT 2 YEARS, THERE HAS NOT BEEN ANY FORM OF COLLISION DAMAGE, AS FAR AS I KNOW THERE WAS NOT ANY PRIOR HISTORY OF ANY TYPE OF COLLISION DAMAGE. THERE WAS AN OCCUPANT IN THE SEAT, HIS SHOULDER FELT SORE AND HIS HEARING WAS AFFECTED AT THE TIME.