Temperature Selector
WARNING: This page is about a different car, the 2001 Hyundai Accent and 2000 Hyundai Accent. However, it is still accessible from the selected car via links, so may be relevant.
Temperature selector adjusts blend door opening, controlling airflow volume across heater core. Airflow from heater core is blended with fresh or recirculated air, and vented into passenger compartment through selected outlets.