1973 Cadillac Optional Specifications. This book provides facts and information concerning 1973 Cadillac car colors, upholstery, and equipment options, both regular production, and special request. Car and commercial chassis body specifications and more. Cars included are Calais, De Ville, Fleetwood Eldorado, Fleetwood, and commercial chassis. Body styles, codes/identification, firemist colors, exterior information, trim, upholstery, colors, accent stripe recommendations, interior information, Brougham d'Elegance, Eldorado Custom Cabriolet, sunroof, exterior ornamentation, interior ornamentation, equipment, generators, gears, glass, tires, trailering, VIN, dealer order sheet, carpets, and much more. No photos or illustrations. Colors, upholstery, and equipment options-both regular production and special request. Dealer-only item was used to make up order. Meant to be disposed of after the model year was over. No form no.