1998 Toyota Camry Owners Manual - Page 138

-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 Turning the air flow control knob to windshield position turns on the defroster − linked 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, turning the air flow control knob 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. D To heat the vehicle interior while defrosting the windshield, floor/windshield air flow. choose 139