ON SAT., SEPT. 14, 2019 ABOUT 7:35AM WHILE MY DAUGHTER WAS DRIVING MY 2015 LEXUS LS460 THE BRAKES CAME ON AND JERK HER FORWARD & BACKWARD, THE SEATBELT ALMOST STRANGLED HER. ALSO BRAKE LIGHT FLASHED ORANGE & BEEPING. SHE WENT TO URGENT CARE TO BEEN EVALUATED.TOOK THE CAR TO CHANTILLY VA LEXUS SERVICE FOUND NOTHING WRONG WITH THE CAR. ON WED., SEPT. 18, 2019 ABOUT 3:15PM THE ORANGE BRAKE LIGHT & BEEPING CAME ON AGAIN THIS TIME I WAS IN THE CAR WITH MY DAUGHTER. ON THUR., SEPT. 19, 2019 TOOK THE CAR TO ALEXANDRIA VA LEXUS SERVICE & THEY KEPT THE CAR FOR 2 DAYS FOUND NOTHING WRONG WITH THE CAR. TUES., SEPT. 24, 2019 THE ORANGE BRAKE LIGHT & BEEPING CAME ON AGAIN, AND I WAS IN THE CAR WITH MY DAUGHTER.