1993 Buick LeSabre Owner's Manual - Page 126

Air entering the car will be evenly split between the the floor outlets and outlets near the windshield. The blower speed will be controlled automatically, but you can choose another fan speed by pushing HI or the LO buttons. Rear Window Defogger (Option) The linesyou see on the rear window warm the glass. Press the button to start warming your window. After 10 minutes, it will gooff by itself or, pressing the button again during the heating cycle will shut it off. If you need additional warming time, push the button again. Defrost This setting will direct most of the air flow toward the windshield. Use this when there is fog or ice on the I windshield. If you have the heated outside rearview mirror option, the mirror will be warmed when the rear defogger is on. I NOTICE: Defrost will work better if ice and snow is cleared any from the hood and the air inlet area between hood the and the windshield. you Blower speed will be controlled automatically, but can choose another speed by pushing the or LO HI buttons. Scraping the insideof your rear winoow could cut and damage the heater. Your warranty wou'" not cover this damage. Don't put decal? +here, you might have to scrape themoff.