oil life

  1. D

    Accuracy of oil life predictor

    Hi, I have a 2005 Buick Allure CXL and was wondering how the oil life predictor works on the dashboard. Is it just a counter (of kms) or does it use something else for prediction? I noticed on my last oil change I was 1k km over when my mechanic said I was supposed to get an oil change (and...
  2. B

    Oil life monitor

    I had GM's Oil Life Monitor on my previous Buick, and it worked quite well; in six months/~4500 miles I would still have 40% oil life left at change time, and the used oil analyses I had done by Blackstone indicated the oil was in fine shape. Flash to today. The '11 Regal, non-turbo, had 93%...
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