I WAS DRIVING DOWN A HILL ROAD, I DECIDED TO TURN BACK, I PERFORMED A LEGAL U TURN AND WHEN I TRIED TO REVERSE THE ACCELERATOR WOULD NOT PERFORM ITS DUTY. I WAS GOING DOWNHILL AND HIT THE DIRT CURB AND ALMOST WENT OFF THE CLIFF IF I HAD NOT PRESSED THE EMERGENCY BRAKES. THIS IS NOT THE ONLY INCIDENT. AS I GO ON THE FREEWAY I AM NOT ABLE TO ACCELERATE FROM TIME TO TIME BECAUSE THE STEP MOTOR CANNOT PERFORM ITS DUTY IN MAKING SURE GEARS SWITCH AT A PROPER TIME. I WENT TO A TRANSMISSION EXPERT AND WAS TOLD IT WAS THE STEP MOTOR WHICH AFFECTS THE TRANSMISSION. THIS PART IS IN CHARGE IN MAKING SURE GEARS SWITCH PROPERLY. I WENT ONLINE AND I HAVE SEEN THAT MANY PEOPLE HAVE ISSUES WITH THIS SAME PROBLEM. I CALLED A NISSAN DEALERSHIP AND WAS TOLD THAT SINCE I HAD PASSED THE 120K MILEAGE MARK THEY COULD NO LONGER SERVICE MY TRANSMISSION WITHIN THE WARRANTY LIMITS. THIS MEANS I WILL HAVE TO PAY OUT OF POCKET $2,140.00 FOR A NEW TRANSMISSION NOT INCLUDING LABOR. *TR