I'd head for a parts place and see if they can pull the code from the history. If you wait too long, it will clear from the history as well. Without a code, it's a wild guess.
Uh......what fluid are you checking?Tonight on the way home from work just happened to look at the info screen and saw a service power steering system message, it went away just as quick as I saw it. Hit the OnStar button for a system check, turned up nothing since no service light was on, call ended a minute later the message came back with the warning light in the rpm gauge then went out in 15 seconds, no idea what is wrong fluid checked and is good, only have 14k on it, any ideas
If the weather has been high humidity or raining for a few days or the sun is shining against the tail lamps, the damp air in the housing will condense on the lens almost as soon as cold water (like a wash) rapidly cools it.Too follow up they did in fact diagnose it to the negative battery cable, all fixed although they r telling me condensation in the taillamps when washing is normal I find this not right