Written for mechanical novices who may not know their catalytic converters from their universal joints, this practical guide helps teach a basic understanding of how automobiles function. Devices are grouped according to their habitats—under the hood, inside the car, and more—to help identify the technology in question. Solving automotive puzzles such as where exactly does a dipstick dip and what is rack and pinion steering, this handy reference illuminates what’s going on under the hood without all that grime and grease.