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By Police Fleet Manager Staff
Most 2011 and newer GM vehicles require the use of dexos™ motor oil. Oils meeting the GM dexos spec are essentially synthetic oil. Synthetic oil offers better engine protection during a cold start, better protection in extreme cold, extreme heat, and during periods of extended idling. Synthetic oil increases the oil change interval to between 10K and 12K miles.
(This article was originally published in Police Fleet Manager Nov/Dec 2012)