TRAFFIC WAS HEAVY ON THE PARKWAY THAT DAY SO THERE WAS A LOT OF STOPPING AND GOING. APPLYING THE BRAKES, THE CAR STARTED TO SLOW DOWN BUT SUDDENLY THERE WAS A JERK AND THE CAR ACCELERATE WHILE THE BRAKES WERE STILL BEING APPLIED. THERE WAS A FRONTAL COLLISION WHICH INDICATES THAT THE SMART BRAKES SYSTEM WAS ALSO NOT WORKING. THE WARNING 'BRAKE SYSTEM MALFUNCTION' APPEARED ON MY DASHBOARD AFTER THE ACCIDENT. MY INSURANCE COMPANY SENT A WRITTEN REQUEST FOR THE EDR TEST AND HAVE AGREED TO PAY THE FEE WITH THE EXPECTATION OF BEING PROVIDED WITH A QUOTE OF THE COST AND THE END RESULTS. MAZDA HAS NOT APPROVED THE REQUEST AND IT HAS BEEN OVER 3 WEEKS. ASKED TO SPEAK TO A SUPERVISOR AND DID NOT GET A RESPONSE.