I WAS COMMUTING TO MY HOME MID-AFTERNOON ON INTERSTATE HWY 94 WHEN THE TRAFFIC AHEAD OF ME BEGAN TO SLOW. AS I APPROACHED THE SLOWING TRAFFIC AHEAD OF ME I REMOVED MY FOOT FROM THE ACCELERATION PEDAL AND BEGAN TO COAST TO A STOP WHEN UNEXPECTEDLY MY TRUCK BEGAN TO ACCELERATE VERY QUICKLY. I IMMEDIATELY BEGAN TO APPLY THE BRAKES USING BOTH FEET, MY HANDS GRIPPING THE TOP HALF OF THE STEERING WHEEL WITH MY SHOULDERS THRUST AGAINST THE BACK OF MY SEAT. I STAYED ON THE BRAKES THE ENTIRE TIME THAT IT TOOK FOR ME TO HAVE TRAVELED THE 50-60 FEET BEFORE I HIT THE VEHICLE THAT HAD NOW COME TO A STOP. IT WAS ONLY AFTER I COLLIDED WITH THE VEHICLE AHEAD OF ME THAT MY TRUCK STOPPED ACCELERATING. FOR THAT ENTIRE TIME I WAS ON THE BRAKES, THE TIRES SCREECHING SO LOUDLY THAT THE PERSON IN THE VEHICLE THAT I HIT HEARD THEM PRIOR TO THE IMPACT. THIS INCIDENT HAS SHAKEN ME PERSONALLY AND I NO LONGER HAVE ANY CONFIDENCE IN MY TRUCK SO I NO LONGER DRIVE IT. I HAVE CONTACTED TOYOTA AND THEY HAVE ISSUED TO ME A CASE NUMBER FOR THIS INCIDENT AND HAVE SENT TO ME A CONSENT FORM TO ALLOW THEM TO DOWNLOAD DATA FROM THE VEHICLE'S EVENT DATA RECORDER AS WELL AS TO PHYSICALLY INSPECT THE VEHICLE. I DID INITIALLY SCHEDULE A DIAGNOSTIC APPOINTMENT WITH MY LOCAL TOYOTA DEALERSHIP WHERE I BOUGHT THE VEHICLE NEW BUT THEY WOULD NOT PERFORM ANY DIAGNOSTIC WORK AS A RESULT OF THE VEHICLE HAVING BEEN IN AN ACCIDENT. THEY GAVE ME THE TELEPHONE NUMBER FOR TOYOTA CORPORATE TO CALL. THE VEHICLE THAT I HIT SUS