2006 Toyota Sienna Owners Manual - Page 542

06 SIENNA_U (L/O 0603) D If following another vehicle on a dusty road, or driving in windy and dusty conditions, it is recommended that the air intake selector be temporarily set to RECIRCULATE, which will close off the outside passage and prevent outside air and dust from entering the vehicle interior. Heating For best results, set controls to: Fan speed-Any setting except "OFF" Temperature-Towards WARM (red zone) Air intake-FRESH (outside air) Air flow-FLOOR Air conditioning-OFF D For quick heating, select recirculated air for a few minutes. To keep the windows from fogging, select fresh after the vehicle interior has been warmed. D Press the "A/C" button on for dehumidified heating. D Choose floor/windshield air flow to heat the vehicle interior while defrosting or defogging the windshield. Air conditioning For best results, set controls to: Fan speed-Any setting except "OFF" Temperature-Towards COLD (blue zone) Air intake-FRESH (outside air) Air flow-PANEL Air conditioning-ON For quick cooling, turning the temperature selector knob fully towards COLD changes the air intake selector mode to RECIRCULATE. It is not possible to return to FRESH and to turn the air conditioning system off in this position. 310 2006 SIENNA from March '06 Prod. (OM45443U)