2001 Toyota Tundra Owners Manual - Page 163

'01 TUNDRA_U (L/O 0008) 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 Lower vent-CLOSED Air conditioning-OFF 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 Defogging The inside of the windshield For best results, set controls to: Fan speed-Any setting except "OFF" Temperature-Towards WARM (red zone) to heat; COLD (blue zone) to cool Air intake-FRESH (outside air) Air flow-WINDSHIELD Lower vent-CLOSED Turning the air flow selector to the windshield or floor/windshield position turns on the defogging function with the purpose of clearing the front view. When turning the air flow selector to windshield or floor/windshield position, the air intake selects FRESH automatically. This is to clean up the front view more quickly. If you want to return the setting to RECIRCULATE mode, press the air intake selector button once again. D For quick cooling, move the air intake selector to recirculate for a few minutes. Ventilation 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-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. 152 2001 TUNDRA (OM34416U)