1) TOYOTA PRIUS, 15MPH, ENGAGED BRAKES, HIT SMALL BUMP IN ROAD AND ANTI-LOCKING MECHANISM DISENGAGED BRAKES. 2) FAILURE IS BRAKING MECHANISM IN TOYOTA PRIUS WILL DISENGAGE. SEEMS TO BE DUE TO HOW THE ANTILOCK SYSTEM WORKS. IT CAUSES THE BRAKES TO QUIT FUNCTIONING. 3) NOTHING. TOYOTA WOULD NOT ADMIT TO ISSUE WITH BRAKING. ON 02/03/2010 TOYOTA ADMITTED TO BRAKE ISSUES WITH TOYOTA PRIUS FROM MY YEAR. THIS IS THE REASON FOR MY COMPLAINT. *TR