2009 Toyota Sienna Owners Manual - Page 278

3-1. Using the air conditioning system and defogger n When is selected for the air outlets used For your driving comfort, air flowing to the feet may be warmer than air flowing to the upper body depending on the temperature setting. n When the indicator light on Press flashes and turn off the air conditioning system before turning it on once more. There may be a problem in the air conditioning system if the indicator light continues to flash. Turn the air conditioning system off and have it inspected by your Toyota dealer. CAUTION n To prevent the windshield from fogging up Do not use 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. NOTICE n To prevent battery discharge Do not leave the air conditioning system on longer than necessary when the engine is off. 252