2011 Toyota Highlander Owners Manual - Page 286

3-1. Using the air conditioning system and defogger Front side outlets Direct air flow to the left or right, up or down. Turn the knob to open or 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 Window defogger feature Vehicles without smart key system In order to prevent the windows from fogging up, recirculated air mode may automatically switch to outside air mode if the ambient temperature drops. This feature can be canceled by pushing and holding the air intake mode switch for longer than 2 seconds. The feature will be reactivated when the engine switch is turned to the "ACC" or "LOCK" position. Vehicles with smart key system In order to prevent the windows from fogging up, recirculated air mode may automatically switch to outside air mode if the ambient temperature drops. This feature can be canceled by pushing and holding the air intake mode switch for longer than 2 seconds. The feature will be reactivated when the "POWER" switch is turned to ACCESSORY mode or OFF. 266