Lower door glass to lowest point.
Remove the inner door opener by removing the attaching screw and pushing it forward. Disconnect the opener linkage.
Remove screws of panel, on handle area.
If side mirror inner cover is obstructing panle movement, pry it off.
The panel is clipped on, pry off clips around panel with a padded screwdriver.
Lift panel up to get clear of the door upper sill.
Disconnect all wire sockets.