I had the same problem, is your wheel locked?? Is your tires turned? If so, turn your wheel in the same direction as the tires (not easy to do) and turn the key! Wa-la! Your cars out of theft mode and ready to go!
CAI, SF3/X3 Tuner, 4.10 Gears, Auburn lim-slip
GT4 Rims (Summer), Stock Rims (Winter)
2 Subs, New speakers all around
1 Great Car 1 Happy Kid
July '12 Mustang of the Month