1998 Oldsmobile Silhouette Owner's Manual - Page 212

Rear Air Vents ~ Ventilation System Your vehicle's flow-through ventilation system supplies outside air into the vehicle when it ismoving. Outside air will also enter the vehicle when the fan is running. i place the left bucket seat in the second row in the ~ 1 To maximize airflow through the rear heater outlet, forward position (see "Adjusting Rear Seats" in the Index). 1 I i Your vehicle has a r outlets that allow you to adjust the direction and amount of airflow inside the vehicle. Push the outlet up or down to direct airflow to your preference. Increase or reduce the amount of airflow by opening and closing the louvers. Opening and closing the louvers will also direct airflow from side to side. The air-flow through the vents can be shut off completely by turning the thumb-wheel next to each outlet all the way down. You can also stop outside air from entering by turning the fan to OFF and pushing the RECIRC button. ~ 1 ~ ' ~ ~ ~ The vent behind the left rear seat isthe cold air return vent. Be sure to keep it free of obstructions. Please keep the area around the base of the center instrument panel console and between and under the front seats free of objects that could obstruct airflow to the rear. ~