TL*THE CONTACT OWNS A 2002 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 55 MPH, THE CONTACT DEPRESSED THE BRAKE PEDAL, BUT THE VEHICLE DID NOT STOP OR SLOW DOWN. THE CONTACT THEN DEPRESSED THE BRAKE PEDAL WITH MAXIMUM PRESSURE AND THE BRAKES LOCKED. THE VEHICLE PULLED TO THE RIGHT. THE CONTACT LET UP ON THE BRAKE PEDAL, BUT THE VEHICLE WOULD STILL NOT STOP. IT LOCKED UP AND PULLED TO THE LEFT ONTO ITS SIDE AND ROLLED COMPLETELY OVER. THE VEHICLE LANDED ON ITS FOUR FLAT TIRES. THE VEHICLE WAS DESTROYED AND THE CONTACT SUSTAINED INJURIES TO HIS NECK, SHOULDER, AND BACK. HE ALSO SUFFERED MEMORY LOSS. THE CURRENT AND FAILURE MILEAGES WERE 107,000.