2004 Dodge Caravan Owner's Manual - Page 200

200 UNDERSTANDING YOUR INSTRUMENT PANEL Dual Zone Temperature Control - If Equipped With the Dual Zone Temperature Control System, each front seat occupant can independently control the temperature of air coming from the outlets on their side of the vehicle. Front Mode Control The mode control allows you to choose from several patterns of air distribution. NOTE: To improve your selection choices, the system allows you to operate at intermediate positions between the major modes. These intermediate positions are identified by the small dots. This is accomplished by having a separate temperature control lever for both the driver and front seat passenger. The blue area of the scale indicates cooler temperatures while the red area indicates warmer temperatures.