I was driving a highway ,when i smelled burning and saw the smoke from under the hood and then the grinding sounds from the engine .Pulled over ,opened the hood -oil was all around.The big spot of the oil under .Was towed into a dealership .I was told- the oil line cracked .Dealer sad he has never herd about such problem .I checked on cartalk.com there were 4 complains the same with mine.Repairing was done under the warranty .But i have filling that Toyota losing it.