good evening and thank you for inquiring with JustAnswer. below is the procedure for removing the rear quarter trim. if you have any further questions please feel free to ask
First remove the c Pillar trim panel (image part# XXXXX) pull weatherstrip loose from door opening around panel and release clips and pull back trim panel.
Next remove the cargo area overhead panel at rear body opening. Pull down on panel to release. Then pull loose the d Pillar trim panel (image part#14) by pulling backward. Then follow image , remove the screws and pull back on quarter panel.
SEE NOTE 16 prior to diassembly.
Item 16: Rear Quarter Trim Panel Removal Note
NOTE: Right side shown, left side similar.
Unfortunately these are all the images available and no intricate diagrams are listed