With respect to the rear wheel/brake thumping sound. It apparently went away after I took my car for a wand wash. It might have been some crude sticking to the rotors or something.
Yeah, have them check it out since it's still under warranty.
The A/C fan is more of an annoyance than anything else. I wasn't sure if that how it sounded when I first had the car.
I'm scheduled for a check up next week.
thanks for the replies.