THE THROTTLE BODY HAS A DEFECT WHICH SHUTS OFF ALL POWER TO VEHICLE WITH NO NOTICE. THE ENGINE AND TRANSMISSION LOCK UP YOU LOSE ALL STEERING CONTROL AND NO BRAKES. ALSO NO LIGHTS SO WHEN IT HAPPENS AT NIGHT IT IS PITCH BLACK. GM DOES KNOW ABOUT THE PROBLEM AND WHEN I QUESTIONED THEM ABOUT THE LOSS OF LIFE LIKE WHAT HAPPEND WITH THE CHEVY CRUZE ALL MEMBERS OF GM ARE TOLD TO HANG UP THE PHONE. IT HAS HAPPEND ON SEVERAL OCCASIONS AND THE DEALERSHIP SENT ME BACK ON THE ROAD KNOWING THE PROBLEM. DEALER REP SAID IF I WAS A BETTER CUSTOMER THAY MAY HAVE DONE MORE FOR ME.