MY 2005 DODGE RAM QUAD CAB HYDROPLANED ON THE INTERSTATE AND STRUCK A RETAINING WALL ALMOST HEAD ON. THE ENTIRE LEFT SIDE FRONT BUMPER FROM THE VERY MIDDLE TO THE FAR LEFT STRUCK THE WALL FLUSH. THE TRUCK BOUNCED OFF AND DID A 540 AND THE ENGINE DIED AND I WAS STUCK BLOCKING THREE LANES OF INTERSTATE TRAFFIC. I IMPACTED THE WALL AROUND 55 MPH. THE PROBLEM IS THAT MY AIRBAGS NEVER DEPLOYED. NEITHER THE DRIVER OR PASSENGER SIDE AIR BAGS. I WAS LUCKY THAT I WASN'T INJURED, BUT I FEEL THERE WAS A DEFECT WITH THE AIR BAGS NOT DEPLOYING. THE IMPACT WAS SO HARD ON THE BUMPER THAT IT BUCKLED THE FRAME OF MY TRUCK. *TR