Summary
Wheels: Dick from Michigan writes by e-mail: "A friend has a 2007 GMC Envoy, and low miles. She took it to a dealer for a 'free oil change' and about two days later, the oil light came on. Oil level is OK and they are driving it! Oil light stays on."
Halderman: Before I could answer, I got this e-mail: "Oil light was on "amber," not red. Ah ha! I said:See the full content of this document
Extract
E Case of the Mistaken Dash Warning Light
I asked what caused why they had the oil changed. She said: "We always change at 3,000 miles." I asked if the oil ligh...
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