THE CAR WAS COASTING ON A LEVEL ROAD. JUST BEFORE THE DRIVER APPLIED THE BRAKE, THE INTERIOR LIGHTS STARTED FLASHING AND THE STEERING WHEEL LOCKED. THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR BUT THE CAR DID NOT STOP. THEN THE FRONT PASSENGER AIRBAG WENT OFF AND THEN THE DRIVERS SIDE AIRBAG WENT OFF. NO OTHER CARS WERE AROUND. ON STAR CAME ON AND STATED THAT THE OCCUPANTS WERE JUST IN A VERY SERVE ACCIDENT AND THAT EMERGENCY SERVICES WERE ON THE WAY. THERE WAS NO DAMAGE TO THE VEHICLE AT ALL. GMC SENT OUT AN INSPECTOR AND HE WAS SURPRISED. A REPORT WAS PREPARED AND ULTIMATELY IT WAS STATED THAT THE CAR WAS EXPERIENCING A ROLL OVER EVENT. HOWEVER, THE DATA IN THE REPORT DOES NOT SUPPORT GMCS CONTENTION. ONE MAJOR ERROR DISCOVERED ON THE REPORT WAS THAT THE SENSOR SAID IT WAS A SMALL ADULT SITTING IN THE PASSENGER SEAT. THAT ADULT WEIGHED 265 POUNDS OR MORE AT THAT TIME. NEXT ONE OF THE DATA RECORDS SAYS THE EVENT TOOK PLACE ON 7/5/2013. ONE OF THE EVENT RECORDERS STATES THE CAR WAS ROLLING IN A CLOCKWISE FLASHING BUT ANOTHER ONE SHOWS THE CAR WAS ROLLING HEAD TO TOE. FINALLY, THE GRAPHICAL DATA SHOWS NO ROLLOVER IN ONE SENSOR AND A COUNTERCLOCKWISE ROTATION IN THE OTHER. GMC STATED THAT THEY WOULD FIX THE CAR FOR FREE AND OFFERED TO PAY MEDICAL FEES AND BILLS. THE PASSENGER SUFFERED A BROKEN COLLAR BONE, A RUPTURED EAR DRUM AND BLOOD PRESSURE ON SITE OF 220/140. THE VEHICLE SENSOR STATED THAT THE VEHICLE WAS HIT ON THE SIDE (BROADSIDED). THE DATA RECORDER S