1997 Pontiac Trans Sport Owner's Manual - Page 216

Ventilation System Your vehicle's flow-through ventilation system supplies outside air into the vehicle whenit is moving. Outside air will also enter the vehicle when the is running. fan Your vehicle has air outlets that allow you to adjust the direction and amount airflow inside the of vehcle. Push the outlet up down to direct airflow to your or preference. Increaseor reduce the amount airflow by of opening and closing the louvers. Opening and closing the louvers willalso direct airflow from side to side. The air-flow through the vents can be shut off completely by turning the thumb-wheel nexteach to You outlet all the way down. can also stop outside air from entering by turning the fan to OFF and pushing the RECIRC button. Ventilation Tips Keep the hood and front air mlet free of ice, snow or any other obstruction (such as leaves). This will d o w the heater and defroster to work much better, reducing the chance of fogging inside of your windows. the . ) When you entera vehicle in cold weather, turn the blower fan to 5 for a few moments before driving off. This helps clearthe intake ducts of snow and moisture, and reduces the chance fogging the of inside of your windows. Keep the area around the base of the center and instrument panel console the air path underthe front seats clear of objects. This helps air to circulate throughout your vehicle. 0