1995 Oldsmobile Silhouette Owner's Manual - Page 165

Rear Window Defogger Press R.DEF (Rear Defog) to warm the defogger grid on the rear window. The indicator lightwill glow while the rear window defogger is operating. The rear window defogger will turn off automatically after about 10 minutes of use. If you turn it on again, the defogger will operate for about five minutes only. You can also turn the defogger off by turning off the ignition or pressing the switch again. Flow-Through Ventilation System Your vehicle's flow-through ventilation system supplies outside air into the vehicle when it is moving. Outside air will also enterthe vehicle when the heater or the air conditioning fanis running. Ventilation Tips 0 Do not attach a temporary vehicle license across the defogger grid on the rear window. 1 NOTICE: Don't use a razor blade or something else sharp on the inside the rear window.If you do,you of could cutor damage the warming grid, and the repairs wouldn'tbe covered by your warranty. 0 Keep the hood and front airinlet free of ice, snow, or any other obstruction(such as leaves). Thiswill allow the heater and defroster to work much better, reducing the chance of fogging thei.nsideof your windows. When you enter a vehiclein cold weather, turn the blower fan to HIGH for afew moments before driving off. This helps clear the intake ducts snow of and moisture, and reduces the chance of fogging the inside of your windows. Keep the area around the base of the center instrument panel console and the air path under the front seats clear objects. Thishelps air to circulate of throughout your vehicle. 3-7