1997 Chevrolet Tahoe Owner's Manual - Page 151

Rear Air Conditioning and Heating Systems (If Equipped) If your vehicle has one these systems,you can of increase and decrease the airflowthe rear vents. at Depending on the system have and the setting you selected, you can send cooled or heated air to the rear of the vehicle. Rear Air Conditioning (Without Rear Heater) (If Equipped) If your vehiclehas rear air conditioning (without rear To operate the rear system using the front control, just heater), the controls are located above the front and blower position you want. second seats. The front and rear overhead controls let turn the knob to the you increase and decrease the airflow at the rear vents. To operate the rear conditioning system, the front air air conditioning systemmust be on.With the front air conditioning system off, the rear system controls can be used to circulate air in the rearthe vehicle. of 3-4