The book is dedicated to such consumers of electrical energy in a car as a starter and an audible warning device. The publication describes in detail the components of the starter and discusses its activation system. Separately, alarm devices are considered, such as an audible signal, direction indicators and a brake light, as well as lighting devices (headlights, sidelights, side lights, combination light switch), instrumentation (ammeter, fuel level indicator in the tank, water temperature sensor, oil pressure indicator, etc.). In addition, the book talks about starter malfunctions , lighting, alarm, control and auxiliary devices and their care.