EXTREMELY EXCESSIVE RUST ON UNDERBODY OF MY 2004 HUMMER H2. BRAKE LINES, CALIPERS, ROTORS, FRAME, SUSPENSION, ETC HAVE HOLES. MY BRAKES COMPLETELY FAILED ON THE HIGHWAY AND I CRASHED INTO A TRUCK AND A SUV. LUCKILY USED THE EMERGENCY BRAKE TO EVENTUALLY STOP IT. DEALER SAYS ENTIRE BRAKE SYSTEM NEEDS TO BE REPLACED AND THE FRAME IS ALSO IN BAD SHAPE. I DID REPORT THE RUST PROBLEM TO GM WHILE UNDER THE 3 YEAR WARRANTY BUT THEY DID NOTHING. I NEITHER DO ANY CROSS-COUNTRY DRIVING NOR AM NEAR THE OCEAN. I AM SCARED OF DRIVING THE VEHICLE. *TR