WHEN I USE THE ACC, AND THE HIGHWAY IS HILLY, THE ACC WILL ENGAGE THE FCM (FORWARD COLLISION MITIGATION), RESULTING IN THE BRAKES BEING APPLIED, SOMETIMES FORCEFULLY, RESULTING IN AN IMMEDIATE SLOW DOWN OF MY VEHICLES SPEED. THIS CAN CAUSE ACCIDENTS AS THOSE AROUND ME HAD TO SLAM ON THEIR BRAKES AS WELL. WHEN GOING UP AND DOWN HILLS, THE ACC DOES NOT WORK PROPERLY. THIS HAS OCCURRED MANY TIMES FROM THE TIME I BOUGHT THE VEHICLE UNTIL NOW.
NHTSA ODI 11302542