2009 Hyundai Azera Owner's Manual - Page 144

FEATURES OF YOUR HYUNDAI 1 131 B980C01TG-AAT Defrost Switch HTG2129 HTG2130 Floor-Level Air is discharged through the floor vents, windshield defroster nozzle, side defroster nozzle and side ventilator. Floor-Defrost Level Air is discharged through the windshield defroster nozzle, the floor vents, side defroster nozzle and side ventilator . If the "Floor-Defrost" mode is selected, the A/C will turn on automatically and "Fresh" mode will be activated. B980C02TG When the "Defrost" button is pressed, the " mode will be automatically selected " and the air will be discharged through the windshield defrost nozzle, side defroster nozzle and side ventilator. If the "Defrost" mode is selected, the A/C will turn on automatically and "Fresh" mode will be activated to improve windshield defrosting. To assist in defrosting, the air conditioning will operate if ambient temperature is higher than 37.4°F (3°C) and automatically turns off if the ambient temperature drops below 32°F (0°C) in manual operation.