1998 Toyota RAV4 Owners Manual - Page 114

-Instrument panel vents Defrosting The outside of the windshield For best results, set controls to: Fan speed-Any setting except "OFF" Temperature-Towards WARM (red zone) Air intake-FRESH (outside air) Air flow-WINDSHIELD Moving the air flow control lever to windshield position turns on the defrosterlinked air conditioning. At this time, the "A/C" button indicator comes on regardless of whether or not the "A/C" button is pressed in. This is to clean up the front view more quickly. When the "A/C" button is not pressed in, moving the air flow control lever to another position turns off the air conditioning. If air flow control is not satisfactory, check the instrument panel vents. The instrument panel vents may be opened or closed as shown. Side vents D To heat the vehicle interior while defrosting the windshield, choose floor/ windshield air flow. Lower vent 106