WHILE DRIVING AT 70 MPH WITH CRUISE CONTROL ON, CONSUMER NOTICED HOOD WAS VIBRATING, CONSUMER LEANED FORWARD TO TURN OFF THE CRUISE CONTROL AND APPLIED THE BRAKES, AND THE DRIVER'S SIDE AIR BAG DEPLOYED, CAUSING THE CONSUMER TO LOSE CONTROL OF THE VEHICLE FOR ABOUT FIVE SECONDS. VEHICLE'S WHEELS WERE ON THE GRASS. AFTER INSPECTION AT HONDA DEALERSHIP, THEY FOUND AN ONE INCH HOLE IN THE BOTTOM OF THE STEEL PLATE UNDER THE AIR BAG DECELERATION DETECTOR. IT IS BELIEVED A METAL OBJECT HIT THE BOTTOM OF THE CAR AND SET OFF THE AIR BAGS. *AK