Vehicle Questions and Answers
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To reinitialize the anti-theft system in the 2002 Ford Expedition, it is important to utilize the passive anti-theft system key provided with the vehicle. If a non-programmed key is used, the car will enter armed mode. If the correct key does not deactivate the system, try using the spare key if possible. If the issue persists, disconnect the battery for 15 minutes, then reconnect and attempt using both keys once more. If the car continues to have starting issues, it is recommended to seek assistance from a professional technician.