2021 TOYOTA 4RUNNER Vehicle Speed Control Problems

was going to work on rt 80 east had cruise control on and was getting off exit 45 in new jersey to get bus into manhattan at approx 430 amwhile getting off highway stepped on brakes pedal went to floor tried pumping nothing happened nor did criuise control disengage or collision warning come on a total collapse of system had this car for approx 1 month purchased used at paramus mercedes benz took this vehicle to my mechanic for a full inpection everything was good vehicle had approx 22000 miles on it at purchase lost all control and crashed going off roadway and sliding down bridge abuttment car is a total loss rushed to hospital car was hauled off abutment by wrecker company police fire and ambulance showed up had to break sunroof to get me out no one could belive i survived this happened yesterday feb 3 2023 called...