All the dealer has to prove is that they installed oil that meets the requirements of your engine. The engine does not care if it’s mineral oil, a blend, or pure synthetic as long as it has the proper API rating. ALL API rated motor oils are compatible with all other API motor oils. Your Equinox is going to the shredder some day but it won’t be because of lubrication failure unless you run it out of oil. And that “oil life indicator” is a joke. It is displaying what it was programmed to display. It has no clue as to the actual condition of the oil…It’s just guessing and hoping…(I should say the guy who wrote the program is guessing and hoping)…You better hope you never need any warranty work from this dealer…You are on their “no fly” list now…
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