2008 Toyota Yaris Owners Manual - Page 210

3-1. Using the air conditioning system and defogger Right and left side outlets Open the vent. Close the vent. n Using the system in recirculated air mode The windows will fog up more easily if the recirculated air mode is used for an extended period. n When outside air temperature approaches 32° F (0° C) Interior features 3 The air conditioning system may not operate even when n When is selected for the air outlets used is pressed. For your driving comfort, air flowing to the feet may be warmer than air flowing to the upper body depending on the position of the temperature adjustment dial. CAUTION n To prevent the windshield from fogging up Do not set the air outlet selection dial to during cool air operation in extremely humid weather. The difference between the temperature of the outside air and that of the windshield can cause the outer surface of the windshield to fog up, blocking your vision. 173