I WAS SLOWLY TURNING TO THE RIGHT INTO A PARKING SPACE AND HAD MY FOOT ON THE BRAKE WHEN THE CAR SUDDENLY ACCELERATED. FORTUNATELY, THERE WAS A TREE THERE TO STOP THE CAR. IN THE PREVIOUS MONTHS, SEVERAL OF THE PANEL WARNING LIGHTS HAD BEEN COMING ON AND OFF. I HAD TOYOTA CHECK THEM. THEY REPLACED THE EGR VALVE BUT IT KEPT HAPPENING SO I TOOK IT BACK. THEY SAID THEY CHECKED EVERYTHING AND COULDN'T FIND ANYTHING WRONG. I'M NOT SURE IF THIS HAS ANYTHING TO DO WITH THE CAR SUDDENLY ACCELERATING, BUT IT MIGHT HAVE.