1994 Cadillac Fleetwood Owner's Manual - Page 164

To turn it off,push the buttonagain. After 10 minutes, it will go off by just itself. To make it go longer, push the buttonagain. NOTICE: Scraping the inside your rear window could cut and damage of the heater. Your warranty would not cover damage. And this don't put decals there; you might have to scrape them off. SOUND SYSTEMS Your Delco sound system has been designed to operateeasily and give years of listening pleasure. You will get the most enjoyment out of it if you acquaint yourself with it first. Find out what yourDelco system can do and how to operateall itscontrols, to be sure you're getting the most out of the advanced engineering that went into it. Be aware that hearing damage from loud noise is almost undetectable until it is late. Your hearing can adapt tohigher volumes of sound. too Sound that seems normal can be loud and harmful to your hearing. Take precautions by adjusting the volume control on your radio to a safe sound level before your hearing adapts to it. To help avoid hearing loss or damage: Adjust the volume control to the lowest setting. Increase volume slowly until you hear comfortably and clearly.