1995 Oldsmobile Aurora Owner's Manual - Page 139

Rear Window Defogger Do not attach a temporary vehicle license across the defogger grid on the rear window. When you operate the rear window defogger, the outside rearview mirrors are also heated to help remove ice and fog. LOW NOTICE: R. DEFOG Don't use a razor bladeor something else sharp on the inside of the rear window.If you do, you could cut or damage the warming grid, and the by repairs wouldn't be covered your warranty. @ R. DEFOG: Press to warm the defogger grid on the rear window. An indicator light in the button will a olow while the rear window defogger is operating. The rear window defogger will turn off automatically after about 10 minutes of use. If you press it again, the defogger will operate for about five minutes only. You can also turn the defogger off by turning off the ignition or by pressing the R. DEFOG switch again. 3-7