2005 Ford Taurus WILL NIOT MOVE

MY BRAKE LIGHT WAS COMING OG ON, SO I PUT FLUID IN IT, DROVE IT 4O MILES, THE NEXT MORNING i SARTED THE CAR PUT IT INTO GEAR AND IT WILL NOT MOVE. EVEN THOUTH THE SHIFTER MOVES THE CAR WILL NOT GO

9/20/08
Checked fluid and it is showing over, I don't know if it is because the car is cold or what the reading means