2001 GMC Sierra Door panel

Remove the door handle bezel.
Remove the window handle, if equipped.
Remove the power accessory switch panel.
Remove the trim panel upper extension.
Remove the trim panel screws.
Remove the courtesy light, if equipped.
Remove door panel screws.
Remove the trim panel from the door, carefully sliding the trim panel up to release the retainers from the door.
Remove the speaker wire.

Open the front door.
Release the upper extension by pulling outward in order to release the upper retainer clip.
Remove the upper extension from the trim panel by lifting up and out.

Insert a flat-bladed tool into the slots on the power accessory switch panel in order to release the retainer clips.
Remove the switch panel.
Disconnect the electrical connectors from the switches.
Remove the screws from the switches.
Remove the power accessory switches from the switch panel.