One problem related to body has been reported for the 1996 Lexus GS. The most recently reported issues are listed below.
This series of Lexus apparently has a defect of the inside rear view mirror that cause the mirror inside surface to cloud up to the point of being inoperative. My unit began to fail early in the car's life but just as the warranty period expired it became nearly useless. Lexus nor the dealer would not cover this safety defect.