noises

I am taking my car in for it's first service today. This is tough for me as I have always worked on my own vehicles. I have a couple warranty complaints to have looked at but was just going to bounce them off everyone here just to hear your ideas. First one is my exhaust system rattles going...

Ok... We love the car, but there are a few noises that we are curious about... 1. Whenever you open the door after the car has been off for a little bit, it sounds like a little spaceship noise winding up? Anyone know why?? Or what that noise is? 2. When downshifting & slowing down...

just a random squeek the dealers gonna fix it but i havent taken it in yet and im really wanting to know what it is. i havent even beat the crap out of t yet.. haha