2004 Toyota Sienna Owners Manual - Page 300

04 SIENNA_U (L/O 0408) "A/C" button To turn on the air conditioning, press the "A/C" button. The "A/C" button indicator will come on. To turn the air conditioning off, press the button again. Air intake selector Press the button to select the air source. 1. Recirculate-Recirculates the air inside the vehicle. 2. Fresh-Draws outside air into the system. To prevent fogging up of the windshield, the air intake mode may change automatically to FRESH depending on the condition of the air conditioning system. 300 2004 SIENNA from Aug. '04 Prod. (OM45422U)