WHILE DRIVING MY 2007 PONTIAC SOLSTICE MY CAR JERKS HARD WHEN I SLOW DOWN TO AROUND 20-30 MPH. WHEN THE CAR DOWN SHIFTS WHILE SLOWING DOWN IT FEELS LIKE MY CAR IS BRAKING HARD WHEN THE TRANSMISSION SHIFTS GEARS. IT IS ABSOLUTELY TERRIFYING!!! WHILE DRIVING TO WORK OR WITH MY CHILD I NEVER KNOW WHEN ITS GOING TO HAPPEN AND I KNOW THAT EVENTUALLY IT WILL LEAD TO ME OR ONE OF MY LOVED ONES BEING SERIOUSLY INJURED OR KILLED!!! I CANNOT AFFORD A NEW VEHICLE, BUT I DO NOT KNOW WHAT TO DO. HOPEFULLY GM CAN HELP ME AND FIX THE PROBLEM WITH THERE VEHICLE THEY SOLD ME. *TR