2013 Hyundai Sonata Owner's Manual - Page 185

Features of your vehicle OYF049133 OYF049222 Manual climate control system 1. Turn the ignition switch to the ON position. 2. Turn the mode selection knob to the defrost position ( ). 3. Push the air intake control button at least 5 times within 3 seconds. The indicator light in the air intake control button will blink 3 times with 0.5 second of interval. It indicates that the defogging logic is canceled or returned to the programmed status. If the battery has been discharged or disconnected, the system resets to the programmed defogging logic. Automatic climate control system 1. Turn the ignition switch to the ON position. 2. Select the defrost position pressing defrost button ( ). 3. While holding the air conditioning button (A/C) pressed, press the air intake control button at least 5 times within 3 seconds. The indicator on the air intake control button blinks 3 times with 0.5 second of interval. It indicates that the defogging logic is canceled or returned to the programmed status. If the battery has been discharged or disconnected, the system resets 4 104