TL*THE CONTACT OWNS A 1998 LEXUS ES300. WHILE DRIVING APPROXIMATELY 5 MPH PRESSURE WAS APPLIED TO THE BRAKE PEDAL BUT THE VEHICLE WOULD NOT STOP UNTIL COLLIDING WITH ANOTHER VEHICLE IN A MINOR CRASH. HE CONTINUED DRIVING AND THE BRAKES BEGAN TO FUNCTION AS NORMAL. LATER IN THE DAY WHILE DRIVING APPROXIMATELY 10 MPH HE APPLIED PRESSURE TO THE BRAKE PEDAL AND THE VEHICLE WOULD NOT STOP UNTIL BEING INVOLVED IN A CRASH WITH A FENCE. A POLICE REPORT WAS FILED BUT NO INJURIES WERE REPORTED. THE VEHICLE WAS TOWED TO AN INDEPENDENT REPAIR SHOP BUT WAS NOT EXAMINED FOR THE CAUSE OF FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGES WERE 33,000.