When in motion, vehicle brakes occasionally fail. dynamic control off light, brake light, and slip light turn on at same time that brake pedal loses all resistance and is easily pushed all the way to the floor. brake power significantly reduced and need to be actively pumped to slow down and come to a stop. at a stop, vehicle can be turned off and back on then warning all lights will go off and brakes operate as normal. dangerous situation when attempting to slow down, especially at higher speeds. occurs 6-7 times per year.