GMC Savana 2020 Owner's Manual page 149

148 Climate Controls
Front Climate Control Panel
1. Fan Control
2. Air Delivery Mode Control
3. Temperature Control
Use this control panel to maintain a
separate temperature setting. Adjust
the direction of the airflow or adjust
the fan speed for the rear seat
passenger(s).
When the fan knob is in the AUX
position, the rear climate control
panel can be used to adjust the
climate settings in the rear
seating area.