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How can I reset the anti-theft system on a 2003 Lincoln Navigator?
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★ Top Answer
To reset the anti-theft system on your 2003 Lincoln Navigator, it is important to follow the steps promptly. Start by turning off the ignition and making sure all doors are closed. You must complete these steps within a 30-second timeframe. If you make a mistake, wait for 30 seconds before attempting again. Then turn the ignition to ON, press the door unlock control three times, switch the ignition from ON to OFF, press the door unlock control three times again, and return the ignition to ON. You will hear a chirp from the horn. Press unlock and then lock, followed by another horn sound. Finally, turn off the ignition and the horn will chirp, confirming a successful reset.
More answers
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To perform a reset on the anti-theft system in a 2003 Lincoln Navigator, start by turning the ignition to the 'run' position. Wait for around 10 minutes until the security light starts blinking. Once it stops blinking, turn the key to 'off', wait for 5 seconds, and then attempt to start the vehicle.
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