A car is the second largest investment usually made, besides a home, so why not learn how to keep it in tip-top shape? Auto Primer will demystify cars and teach you how various systems in an auto work. You learn the basics, like performing routine maintenance, dealing with roadside emergencies, diagnosing a problem and how to fix it, and of course, safety tips. You'll cruise through car care with Auto Primer! (Source: DIY)