One problem related to anti-theft controller has been reported for the 2007 Saturn ION. The most recently reported issues are listed below.
The contact owns a 2007 Saturn Ion. The keys became wedged in the ignition switch and the contact could not shut the engine off. The battery was disconnected in order to shut off the engine and the vehicle was towed to the dealer. The dealer could not correct the failure. This was the second time the failure occurred. The failure mileage was 41,297 and the current was unknown.