Left.2010-12. Right.2010-12. Upper. Upr ctr plr trim nut. A fastener that attaches the garment hanging Hook to the vehicle. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Backup Sensing System Module. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Garment Hanging Hook. Body B-Pillar Trim Panel Nut. Fender Nut. Hex. Body B - Panel. CENTER retainer. Clip. Fender retainer. Module screw. Parking Aid Control Module. Included with: Fender.