climate controls

Hi - recently had part replaced at mechanic as passengers side started blowing hot (forget the part - motor actuator or blender ) Before going in the auto button would send proper temp air thru main vents. After this "repair" my auto button only sends air to defrosting vents. I can choose...

On the Aux climate system, it has a little button that helps direct the ac in the back. It says that the selected mode will illuminate on the temperature control. I dont see this happening. I can hear it change but I dont see it illuminating. Everything else is so pristine that I cant help but...