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2026. 6. 30. 작업

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How does the change oil light system work and does it matter what type of oil you use for it to work properly?

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I found a reference pdf for GM's Oil Life Monitor System. How does the system work? The GM Oil Life Monitor System is not a mileage counter. It is actually a computer based software algorithm that determines when to change oil based on engine operating conditions. There is no actual oil condition sensor. Rather, the computer continuously monitors engine-operating conditions to determine when to change oil. Over the years, millions of test miles have been accumulated to calibrate the system for a variety of vehicles. The system was first introduced in 1988 and is now on more than 10 million GM vehicles. also Do I have to use special oil? The GM Oil Life Monitor System is calibrated for use with standard “Starburst” mineral- based automotive engine oil. Synthetic oils are not required except for the Corvette. Make sure to read the owner’s manual and select the viscosity and oil grade that is correct for your engine. Any oil selected for use should carry the ILSAC “Starburst”. Thus it app