2010 Hyundai Sonata Owner's Manual - Page 119

1 FEATURES OF YOUR HYUNDAI 106 Adjusting the driver and passenger side temperature equally 1. Press the DUAL button again to deactivate DUAL mode. The passenger side temperature will be set to the same as the driver side temperature. 2. Press the left temperature control button. The driver and passenger side temperature will be adjusted equally. B980A01Y-AAT MANUAL OPERATION The heating and cooling system can be controlled manually as well by pushing buttons other than the "AUTO" button. In this state, the system sequentially works according to the order of buttons selected. The function of the buttons which are not selected will be controlled automatically. Press the "AUTO" button in order to convert to automatic control of the system. ONF048115 Temperature conversion If the battery has been discharged or disconnected, the temperature mode display will reset to Fahrenheit. This is normal condition. You can switch the temperature mode between Fahrenheit to Centigrade as follows; While depressing the DUAL button, depress the MODE button for 3 seconds or more. The display will change from Fahrenheit to Centigrade, or from Centigrade to Fahrenheit. NOTE: Never place anything over the sensor which is located on the instrument panel to ensure better control of the heating and cooling system.