If synthetic was used in 2012 Toyota Camry, can I use regular oil at next oil change?
Of course you can, just make sure it is the same weight oil. 5w30 is still 5w30 no matter if it is synthetic or not. http://www.FreeAutoMechanic.com
i would not...its ok to step up to syn.but not step down..and thats a fact...
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