DRIVING AT NITE TO ER AND ON WAY I THOUGHT I MUST HAVE HIT IGNITION BUTTON BUT CAR JUST LOCKED UP LOST ALL POWER. I CALLED GM THEY GOT BACK TO ME SAID THEY WOULD BE SENDING SOMEONE TO SEE CAR. I DID RECK CAR NOT TO BAD BUT BAD ENOUGH TO TAKE HOLE FRONT BUMPER OFF. I AM SO MAD BECAUSE I THOUGHT I WAS CRAZY THINKING CAR WOULD JUST LOOS ALL POWER AND EVEN LOCKED ME IN CAR COULD NOT OPEN DOOR THANK GOD WINDOW WAS DOWN. BUT THEY SAID THEY WERE COMING TO SEE ME AND CAR BUT NEVER DID