Welcome! I'm Ron Z! I will do my best to answer all of your questions. For easy access to this thread, bookmark it now! Please read everything!
The Blower Motor is accessed from under the passenger's side dash. For easier viewing/printing, i've wrapped up the procedure into a PDF file.
Download the procedure HERE
There is no procedure to remove the plastic cover, as it's simply mounting screws around the perimeter. They don't make a procedure for such basic things in the repair manual. Aside from that, the PDF is a step-by-step.