2006 Toyota 4Runner Owners Manual - Page 289

'06 4Runner_U (L/O 0508) Instrument panel and rear vents Pressing the windshield air flow button turns on the defogging function with the purpose of clearing the front view. When pressing the windshield air flow button, the air intake selects FRESH automatically. This is to clean up the front view more quickly. It is not possible to return to RECIRCULATE in this mode. Press the "A/C" button for dehumidified heating or cooling. This setting clears the front view more quickly. D To heat the vehicle interior while defrosting the windshield, floor/windshield air flow. choose Center vents Rear vents If air flow control is not satisfactory, check the instrument panel and rear vents. The instrument panel and rear vents may be opened or closed as shown. Side vents 289