electrical problems?

When running the air conditioning, I get no airflow through the dash vents - it blows out the defrost outlets instead. (Moving the dial to "bi-level" leads to air coming from floor and defrost outlets - same as using the heat-def position.) Is the blender door controlled with electricity...

Purchased a 2006 Pt cruiser 2.4 l turbo. When vehicle is started it runs extremely rough at idle and then it smooths out when accelerator pressed. When you come to a stop you have to press the acelerator softly or car will die. Once at highway speeds the car runs great until coming to a stop...