I WAS IN MOTION AND DRIVING ON A RESIDENTIAL STREET, WHILE OPERATING VEHICLE AT THE TIME OF ACCIDENT. AFTER THE COLLISION, THE AIRBAG DID NOT DEPLOY. THE TAKATA AIRBAG WAS REPLACED BY THE AUTO MANUFACTURER (TOYOTA DEALERSHIP) PRIOR TO MY ABOVE MENTIONED ACCIDENT. THE AUTO ACCIDENT OCCURRED FOR UNKNOWN REASONS, POSSIBLY BRAKE FAILURE OR UNEXPECTED ACCELERATION OF THE CAR ENGINE.