I WAS PARKING MY 2008 NISSAN SENTRA. I HAD ALREADY PULLED INTO THE PARKING SPACE AND SUDDENLY THE CAR ACCELERATED (MUCH FASTER THAN IT NORMALLY ACCELERATES AT SUCH A SLOW SPEED). PRIOR TO THE ACCELERATION, I COULD NOT HAVE BEEN DRIVING MORE THAN FIVE MILES AN HOUR. I RAN INTO THE CEMENT WALL AT THE END OF THE PARKING LOT. THE CAR ACCELERATED SO FAST THAT IT LEFT SKID MARKS. THIS HAS NEVER HAPPENED BEFORE WITH MY CAR. I BOUGHT IT NEW AND IT HAS APPROXIMATELY 21,000 MILES. ALSO, I DID CHECK THE FLOOR MAT. IT WAS NOT IN ANY WAY INTERFERING WITH THE GAS OR BRAKE PEDAL. *TR