how do I reset my check engine light on a 2004 cts w/ nav
3 Answers
The best option is to have someone with a diagnostics tool clear the codes. Otherwise pulling the positive battery cable off for a few minutes could also clear it. However this can erase presets and may cause problems with your security system.
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How do I reset the check engine light on a 2011 CTS Cadillac
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I unplugged my positive side battery for about five minutes and it was all cleared awesome send me a bunch of money. I didn’t have to go to Geico
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