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Cadillac DeVille

How do you shut off service engine light soon on a 2000 cadillac deville?


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Pull the codes that set it, fix the problem & clear the codes. As it's an OBD2 system a scanner is the easiest way, but some can be done manually by jumping certain terminals in the diagnostic connector. Library might have a book or local parts supplier might have the procedure on their computer (Mitchell, Alldata, Shopkey) at no charge.