JULY 2 2015 -BETWEEN 5:10 - 5:30 AM SOUTHBOUND 25 JUST PRIOR TO EXIT 217B FULL MOON NO RAIN / NO MOISTURE / NO ROAD DEBRIS AT TIME OF ACCIDENT NO JEEP INDICATOR LIGHTS / WARNING - NO UCONNECT MESSAGES NO RUSH HOUR / NO TRAFFIC MAINTENANCE / NO CONSTRUCTION. LEFT LANE WITH NO SHOULDER BUT WITH A CONCRETE CONSTRUCTION WALL. WE WERE DRIVING WITH LIGHT TRAFFIC (POSTED SPEED LIMIT 65, AND WE DROVE WITH THE SAME TRAFFIC IN OUR LANE WAS TRAVELING AT 67, AND WE WERE APPROX 'AT LEAST' 2 CAR LENGTHS BEHIND THE SILVER MAZDA). TWO CARS AHEAD OF US, I SAW BRAKING TAILLIGHTS, AND I PRESSED ON OUR BRAKE TO SLOW DOWN DUE TO SEEING THE BRAKING LIGHTS ON THE SECOND CAR THAT WAS IN FRONT US - NOT BECAUSE OF THE CAR IN FRONT OF US - MAZDA HAD NOT ENGAGED THEIR BRAKES AT THAT PARTICULAR TIME).WITHIN SECONDS AFTER I RELEASED THE BRAKE PEDAL, THE JEEP CONTINUED FORWARD AT A SLIGHTLY SLOWER SPEED, AND IT WAS THEN THE MAZDA CAME TO AN ABRUPT AND COMPLETE STOP, THAT I SLAMMED ON THE BRAKES BUT THERE WAS NO RESPONSE FROM THE BRAKES (*MEANING THERE WAS NO SUBSTANTIAL DECREASE IN THE FORWARD MOTION I THEN ADDED ADDITIONAL PRESSURE ON THE BRAKE PEDAL WITH NO CHANGE NO ENGAGEMENT OF THE BRAKING SYSTEM. I RECEIVED THIS EMAIL THE SAME MORNING AFTER THE ACCIDENT HAPPENED. ALERT: YOUR 2015 JEEP GRAND CHEROKEE HAS INDICATED THERE IS AN ISSUE THAT REQUIRES YOUR ATTENTION.HIS VEHICLE HEALTH ALERT HAS BEEN SENT TO NOTIFY YOU THAT AS OF 07/02/2015 AT 08:42AM EST, ATTENTION IS REQUIRED FOR ONE ISSUE. BRAKES & SUSPE