2007 Hyundai Tiburon Owner's Manual - Page 110

1FEATURES OF YOUR HYUNDAI 98 NOTE: It should be noted that prolonged operation of the heating system in "recirculation" mode will give rise to fogging of the windshield and side windows and the air within the passenger compartment will become stale. In addition, prolonged use of the air conditioning with the "Recirculation" mode selected may result in the air within the passenger compartment becoming excessively dry. B980C02GK-GAT Air Intake Control Switch (With A.Q.S) (If Installed) Recirculation mode : Air from within the passenger compartment will be drawn through the heating system and heated or cooled according to the function selected. OGK046062 This is used to select fresh outside air or recirculate inside air automatically. OGK046063 : OFF : ON Fresh mode : Air enters the vehicle from the outside and is heated or cooled according to the function selected. Exhaust gas cutoff mode : Air enters the vehicle from the outside. But if exhaust gas enters the vehicle from the outside, the exhaust gas cutoff mode ( ) is automatically converted to the mode, to prevent exhaust gas from entering the vehicle.