Now that May long weekend has passed, it is finally time to start thinking about cooled seats, moonroofs and air conditioners. While it may be true that not every car has any one of these features, more often than not, vehicles have air conditioning units. With the weather getting hotter, we don’t want you to be caught without cold air. Read on to learn both about how the air conditioning unit in your vehicle works, and when to get your A/C unit recharged.