2000 Pontiac Grand Prix Owner's Manual - Page 170

Do not attach anything like a temporary vehicle license or decal across the defogger grid. NOTICE: Don't use a razor blade or anything else sharp on the inside of the rear window. If you do, you could cut or damage the warming grid, and the repairs wouldn't be covered by your warranty. Your vehicle's flow-through ventilation system supplies outside air into the vehicle when it is moving. Outside air will also enter the vehicle when the air conditioning fan is running. Ventilation Tips D 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. mode knob to FLOOR and the fan to the highest speed for a few seconds before driving off. This helps clear the intake ducts of snow and moisture and reduces the chance of fogging the inside of your windows. objects. This helps air to circulate throughout your vehicle. D When you enter a vehicle in cold weather, adjust the Ventilation System D Keep the air path under the front seats clear of Adjust the direction of airflow by moving the louvered vents. 3-9