This is my first winter having the Altima and it is doing pretty good. The only down side is all the rattling that everyone talks about when it gets cold but the main one was that it really doesn't like it below 0. It was -3 this morning and the car struggled a lot more than my old car and then it had a whining for the first minute. I just got the oil change and was wondering what have some of you people don't to prep Altimas for the winter? I normally get 5w30 oil and make sure that all fluids are topped off.