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I know this has been on here in the past but I never needed it until now since my car is out of warranty. I have the dreaded 'check engine' light just come on and would like to know how to display the codes.
I have a list of what each code means but not how to display them.
I'm wondering if it has something to do with the battery going dead and then being put on a trickle charger for about a week.