I DROVE A 2006 TOYOTA MATRIX AND LOST CONTROL OVER THE VEHICLE. I WAS TRYING TO CHANGE LANE TO MY RIGHT AND FOUND THERE WAS A CAR APPROACHING AND HORNED ME. I HAD NOT LEFT MY LANE AND TRIED TO PULL MY CAR STRAIGHT. THE CAR REACTED BY SHIFTING TOO MUCH TO THE LEFT AND I TRIED ONLY TO ADJUST IT, KEEPING IN MIND THAT IT WAS A POWER-STEERED SYSTEM. TO KEEP IT STRAIGHT. THERE WAS A 1-2 SECONDS AFTERWARDS THE CAR SEEMED TO BE ON TRACK AND I WAS DRIVING FINE. AFTER THAT TIME PERIOD, THE CAR VEERED TOWARD THE LEFT ALL OF A SUDDEN. I TRIED TO MAINTAIN IT STRAIGHT BUT IN VAIN AND COMPLETELY LOST CONTROL OVER IT. IT SPUN COUNTERCLOCKWISE OVER 3 LANES TOWARD MY LEFT AND HIT THE CENTRAL GUARDRAIL AND STOPPED. THE VEHICLE WAS TOTALED BUT I WAS NOT INJURED. *JB