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How can I reset the anti-theft system on a 2003 Cadillac CTS?
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★ Top Answer
To reset the alarm on your 2003 Cadillac CTS, you have two choices. You can either open the hood and disconnect the positive battery cable for around 30 minutes to drain the power in the CPU, which will compel the system to reset itself upon restart. Alternatively, you can remove the fuse from the fuse box and wait for a similar amount of time. This method is more specific and will only reset the alarm, but you will need to consult the fuse diagram to determine the correct fuse to pull.
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To reconfigure the security system in your 2003 Cadillac CTS, first hold down the panic button on the key fob for five seconds. Then, press the lock button twice while standing about 10 feet away from your car. Next, press the unlock button twice, and your security system should be reset.
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