QUIET MORNING NO TRAFFIC. I WAS DRIVING EAST ON 28TH STREET IN GRAND RAPIDS, MI. BETWEEN 15-20 MILES I WAS APPROACHING A TRAFFIC LIGHT.NO POTHOLES, SMALL DENTS ON THE ROAD WHEN SUDDENLY OUT OF NO WHERE THE AIR BAGS EXPLOITED AND DEPLOYED OUT. THE AIR BAG HIT MY RIGHT HAND AND ALSO BLOCK MY VISIBILITY. THIS INCIDENT CAUSE TO HIT THE CAR IN FRONT OF ME, IT TOOK ME BY SURPRISE.