I have a ? for anyone that has had a CEL, if you brought your car in for a GAS CAP CEL, did you notice the little white flakes near the gas cap housing?? If so did you tell them to change the fuel filter also OR did you get it documented in writing on you RO work order?? I am bring my car in on thursday morning, and plan on bring that up....and the RECALL I found online for the clunkung noise, when you shift into R (for AWD models only).