2010 TOYOTA TACOMA NEW VEHICLE OWNED LESS THAN 2 MONTHS WITH 1200 MILES ON VEHICLE. APPROACHING RED LIGHT HAD TAKEN FOOT OFF ACCELERATOR TO SLOW, UPON PLACING FOOT ON BRAKE , REALIZED, VEHICLE WAS NOT SLOWING. STANDING HARDER ON BRAKE, IT HELD THE TRUCK BACK ENOUGH TO BUMP INTO CAR INFRONT OF ME. TRUCK CONTINUED TO PUSH THE VEHICLE INFRONT OF ME, WITH REAR WHEELS SPINNING ON WET ROADWAY...I JAMMED SHIFT LEVER INTO PARK POSITION WITH MOTOR AND TIRES STILL SPINNING TO FINALLY STOP IT. NOT APPARENT DAMAGE TO EITHER VEHICLE OR INJURIES KNOWN. TOOK TRUCK LOCAL DEALER TO CHECK DIAGNOSIS AND VEHICLE. THEY FOUND NOTHING , COULD NOT DUPLICATE PROBLEM AND TEST DRIVE. I CURRENTLY HAVE TRUCK PARKED IN MY DRIVEWAY. WILL NOT DRIVE IT BECAUSE I FEEL IT IS UNSAFE AND HAVE REPORTED THE INCIDENT TO TOYOTA HQS REF # 1008262334. *TR