Latent Heat of Vaporization
WARNING: This page is about a different car, the 2004 Ford RV Cutaway, 2004 Ford Econoline, 2004 Ford E450 Super Duty, and 2004 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
When a liquid boils (converts to gas) it absorbs heat without raising the temperature of the resulting gas.
When the gas condenses (converts back to a liquid), it gives off heat without lowering the temperature of the resulting liquid.