1995 Oldsmobile Achieva Owner's Manual - Page 130

Rear Window Defogger c 1 lThe rear window defogger uses a warming grid to remove fog from rear the window. NOTICE: Don't use a razor blade or something else sharp on the insideof the rear window.If you do, you could cut or damage the warming grid, and the your warranty. repairs wouldn't be covered by Flow-Through VentilationSystem Your Oldsmobile's flow-through ventilation system supplies outside air into the vehicle when it is moving. Outside air will also enter the vehicle when the fan is running. Ventilation Tips Press the defogger switch. The indicator light will glow. If your vehicle is traveling under 45 mph (70 km/h), the rear window defogger will turn off automatically after about 10 minutes of use. If your vehicle is traveling over 45 mph (70 km/h), the defogger will operate continuously. You can turn the defogger off by turning off the ignition or pressing the switch again. 0 Keep the hood and front air inlet free of ice, snow, or any other obstruction (such as leaves). The heater and defroster will work far better, reducing the chance of fogging the inside of your windows. When you enter a vehicle in cold weather, turn the fan control to HTGH for a few moments before driving off. This helps clear the intake ducts of snow and moisture, and reduces the chance of fogging the inside of your windows. Keep the air path under the front seats clearof objects. This helps air to circulate throughout your vehicle. 0 Do not attach a temporary vehicle license across the defogger grid on the rear window. 0 3-4