I WAS DRIVING ABOUT 35 MPH ON A CITY STREET WHEN THE PERSON IN FRONT OF ME SLAMMED ON THEIR BRAKES THE FIRST TIME I HIT THE BRAKE AND THE CAR STOPPED THE NEXT TIME I HIT THE BRAKE IT WAS HARD AND DIDN'T STOP THE CAR CAUSING ME TO CRASH INTO THE VEHICLE IN FRONT OF ME, THE AIR BAG DID NOT DEPLOY AND I THINK IT SHOULD HAVE, CAUSING MY HEAD TO SLAM INTO THE STEERING WHEEL CAUSING ME TO BITE MY TONGUE IN HALF. I HAVE CONTACT CHEVROLET AND GM MULTIPLE TIMES AND THEY WON'T DO ANYTHING THEY LITERALLY HAVE NOT CARED ONE BIT. I BELIEVE THEIR IS A PROBLEM WITH THE BRAKING SYSTEM OR THE VACUUM SYSTEM IN THE BRAKES AND I AM NOT THE FIRST PERSON THAT THIS HAS HAPPENED TO IN A CRUZE, I LOOKED IT UP AFTER IT HAPPENED AND I FOUND A FEW OTHER STORIES OF THE SAME THING HAPPENING.