If it has a CVT, which some 2010 Camry's do depending on Trim, nowhere. It's sealed for life. Otherwise, it has a yellow handle right up front, under the hood... look just a little to drivers side. This applies to the V6 or I4 both. I am talking about dipstick, where you check and add as needed. Your owners manual should tell you whether it's a CVT or not
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