Question about 2003 Cadillac Seville

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How to reset the "Check Engine Light" on my 2003 Cadillac STS

Please let me know how to clear the check engine light.

Thanks,
Paul

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Your car is equipped with an OBD II system and requires and OBD II scan tool to reset the check engine light. There is a port under the dash that it hooks to.

A very basic tool is available from a variety of places for about $20.(i.e ebay, Harbor Freight)

Posted on Jul 27, 2009

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