There are three cables attached to the controls. They go to three different door controls. Make sure they're all attached and not bent up, and that everything is moving through it's range of motion.
You need to remove the bezel that surrounds the radio and stuff. It just pulls off. This gives access to the HVAC controls. Then remove the panels across the bottom. There's a couple push pins and 10mm bolts. With some of this out of the way it will be easier to see.