1997 Chevrolet Express Van Owner's Manual - Page 130
1997 Chevrolet Express Van Manual
Page 130 highlights
Rear Heater (Without Air Conditioning) the controlswitch is located on the instrument panel. Rear Air Conditioning and Rear Heater heater system combination, controls are provided to regulate the temperature,location and speed of the airflow. and If you have a rear heater (without rear air conditioning), If your vehicle has a rear air conditioning rear To increase and decrease theflow of heated airto the rear floorvents, move the switchmarked REAR HEAT to theblower speed you want. The knob has three speed positions. To increase the flow of heated air, move the switch toward HIGH. To turn the fan off, move the switch to OFF. Front Passenger Control To adjust the air temperature,turn the temperatureknob on the right side of the control panel. 3-5