Quote:
Originally Posted by nyrfan
That is time to change.
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If you have a GM Certified car, you get free oil changes for a year. You will not receive your free oil change until the OLM reaches <22%. 35% is still very fresh.
I wouldn't worry about it until you're <20%. My oil just hit 19% today and I just scheduled a change at the dealer for Saturday morning as of 25 minutes ago. Just make sure to monitor the LEVEL of the oil. That's what will hurt your motor. Old, dirty oil at the proper level isn't nearly as big a problem as fresh oil that's low!!!