2001 Chevrolet Prizm Owner's Manual - Page 138

Defogging and Defrosting When the airflow selector is turned to DEFOG or DEFROST, outside air will be selected automatically. This is used to clean up the front windshield more quickly. Turn the temperature knob clockwise and the fan knob toward HI. When the windshield is clear, turn down the fan speed. If you wish to return to RECIRCULATE mode, the RECIRCULATE button can be set when the airflow knob is set on full DEFOG or full DEFROST. The indicator light will come on. Rear Window Defogger (Option) The rear window defogger uses a warming grid to remove fog from the rear window. D RECIRCULATE cannot be set part way between FLOOR and DEFOG, and DEFOG and DEFROST. D RECIRCULATE cannot be set part way between To defog the windshield and side windows, use outside air and turn the air flow knob to DEFOG. Press the switch to turn on the defogger. The defogger will stay on for about 15 minutes, then it will shut off automatically. You can also turn it off by pressing the switch again. Use it only when the engine is running. Make sure you turn the defogger off when the window is clear. Leaving the defogger on for a long time could cause the battery to run down, especially during stop-and-go driving. The defogger is not designed for drying water or melting snow. 3-4