1995 Pontiac Grand Am Owner's Manual - Page 127

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