1996 Oldsmobile Silhouette Owner's Manual - Page 155
1996 Oldsmobile Silhouette Manual
Page 155 highlights
I Rear Air Vents:To maximize airflow through the rear heater outlet, placethe left bucket seat in the second row in the forward position (see "Adjusting Rear Seats" in the Index). The vent forward of the rear heater outlet is the cold air return vent. Be sureto keep it free of obstructions. Please keep thearea around the base of the center instrument panel console and between and under the front seats freeof objects that could obstructairflow to the rear. Rear Fan Master Control: The master control for the rear fan is located below the audio system. To maintain a comfortable temperature in the rear area, select the force of air you want, from LO to HI, by sliding the control to the desired setting. To transfer control of the rear fan to the rear control switch, slide the master control to REAR. The rear control switch will not operate when the master control is in any other position. To turn off the rear fan, slide the control to OFF. --