1998 Chevrolet Express Van Owner's Manual - Page 140

vent airflow or to the right for headliner vent air flow. Generally, the upper vents used for air conditioning are If your vehicle has a rear air conditioning and rear heater and the floor vents for heating.The control knob can be system combination, controls provided to regulate the are set to any blend setting. of temperature, location and speed the airflow. To adjust the airflow speed, turn the fan control knobon the left side the control panel to the desired blower setting. of To activate the rear control, move the fan knob on the front control to REAR CNTL. Rear Air Conditioning and Rear Heater Front Passenger Control To adjust the air temperature, turn the temperature knob on the right side of the control panel. For warmer air, turn theknob toward the red area, and for cooler air, turn theknob toward the blue area. To regulate the airflow location, adjust the center knob on the control panel. Turn the knob to the left for floor Rear Passenger Control The rear control worksjust like the front control. It will allow second seat passengersto adjust the controls as they desire.