This is an original, confidential manual written by Buick Engineering staff to train salespeople on the features of the new models. This book describes mechanical and styling improvements of vehicles by explaining in detail how vehicles changed from the previous year. Specifications include interior and exterior dimensions as well as engine specs. For each model and body style, you'll see front, side, rear, and seat views, along with lists of standard equipment, engines, transmissions, and interior exterior color combinations (just lists, not color samples). You'll see detailed descriptions of optional equiment such as air conditioning, power seats, power windows, and other power accessories. Includes a 10-page list of accessory and option codes, with RPO codes, a brief description, and which models it came come with. Some of the information in this book can't be found anywhere else. Buy now for this hard to find book.