1994 Cadillac Seville Owner's Manual - Page 171

DEFROSTER 1-1 Push this button to remove fogor frost from the windshield. This setting sends most of the air flow to the windshield with only a small amount to thefloor outlets. In some coldstart conditions, the "AUTO" blower fan speed may be limited until the cooling system warms up. This is normal to prevent windshield fogging. The .fan speed will workautomatically to maintain yourrequested interior temperature. If you need more air to your windshield, you should select a higher fan speed. It will help a lotif you first clear any iceand snow from the hood and the air inlet (it's between hood and the windshield). the REAR DEFOGGER Push thisbutton to turn on the reardefogger. I With it, your rear window and both outside rearview mirrors are heated. The system will automatically off after 10 minutes. If further shut defrosting isdesired, simply pushthe button again. NOTICE: Scraping the inside your rear window could cut and damage of the heating grids. Your warranty would not,coverthis damage. And don't putdecals there;you might have to scrape them.off. 158