Question about 2007 GMC Yukon

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ODB-II alarm on steady light display

I bought GMC yokun 2007 model. I have checed it in MY GMC agency and they confirmed its OK. After a While I got permmenant ODB-II alarm on steady light display. I took it to GMC agency again. They check and release the alarm, but it comes again. I really warried about it. Could anybody advise me what to do?

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Is the steady light a button fo some kind, or does it have a button to turn on-off? Let me know

Posted on Aug 21, 2008


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