This is a rare and valuable guide for General Motors automobile users from 1942. It contains essential information and instructions for operating and maintaining your vehicle during that time. The guide was manufactured in the United States and is a valuable resource for collectors and enthusiasts of American vehicles. With detailed information on various models and types of General Motors vehicles, this guide is an invaluable resource for anyone looking to learn more about these historic cars. Whether you are a collector, enthusiast, or simply interested in the history of American automobiles, this guide is sure to provide you with the information you need.