TL* THE CONTACT OWNS A 2003 CHEVROLET TRAIL BLAZER. THE CONTACT STATED THAT WHILE DRIVING AN UNKNOWN SPEED, THE CONTACT ABRUPTLY APPLIED THE BRAKES TO AVOID A CRASH. THE CONTACT LOST CONTROL OF THE VEHICLE AND CRASHED INTO A CEMENT BARRIER. THE VEHICLE THEN ROLLED OVER AND LANDED IN AN EMBANKMENT. THE DRIVER'S SIDE AIR BAG FAILED TO DEPLOY. THE CONTACT SUFFERED INJURIES TO THE NECK AND A BROKEN LEG. THE CONTACT ALSO STATED THAT THE IGNITION SWITCH WAS REPLACED TWICE PRIOR TO THE CRASH. THE VIN WAS NOT AVAILABLE. THE VEHICLE WAS DESTROYED. THE CAUSE OF THE FAILURE WAS UNKNOWN. THE FAILURE AND CURRENT MILEAGE WAS 70,000.