Thread: 2003 Grand Prix Security Light
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Old 07-19-2007, 09:53 AM
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jwalker1970 jwalker1970 is offline
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2003 Grand Prix Security Light
2003 Grand Prix 3.1L:


Security light flashes constantly. Vehicle runs fine.

There is a "hardware store" key, not a GM key... no chip.

Does the 03 require a passlock key?

Is there a reprogram for the security system?
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