1993 Buick Regal Owner's Manual - Page 191

Rear Towing Hook-Ups (Coupes Only) Attach "T" hook chains into slots in the bottom of the floor pan just ahead of the rear wheels on both sides. No 4 I' x 4 I' wood beam is needed. Position the lower sling crossbar just ahead of the front edge of the rear bumper. ' 7 Attach a separate safety chain around the outboard end of each lower control arm. I I 189