2009 Hyundai Elantra Owner's Manual - Page 147

Features of your vehicle 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 AUTO button, depress the OFF button for 3 seconds or more. The display will change from Fahrenheit to Centigrade, or from Centigrade to Fahrenheit. OHD046070 OHD047071 Temperature control The temperature will increase to the maximum HI by pushing the up button. Each push of the button will cause the temperature to increase by 1°F/0.5°C. The temperature will decrease to the minimum LO by pushing the down button. Each push of the button will cause the temperature to decrease by 1°F/0.5°C. When set to the lowest temperature setting, the air conditioning will operate continuously. Air intake control This is used to select outside (fresh) air position or recirculated air position. To change the air intake control position, push the control button. 4 73