How much do you know about your car? Are you someone who loves to change your own oil, change your own tires and spend your weekends polishing its body until it is spotless? Or does the extent of your car knowledge only include how to put gas in the tank and how to drive around? Somehow, many of us can manage to get by knowing the absolute minimum about the vehicles that we use every day because we rely on the experts at an auto shop. But no matter how polite they are to our faces, those experts might be laughing at our incompetence the second we’re out the door and sharing photos of our precious vehicles online…