2010 GMC Savana 2500 Cargo Owner's Manual - Page 165

Rear Air Conditioning and Heating System For vehicles with a rear heating and air-conditioning system, it maintains the temperature, fan speed and air delivery for the rear-seat passengers only. It also works with the main climate-control system in the vehicle. Rear Climate Control Panel A. Fan Control B. Air Delivery Mode Control C. Temperature Control If the vehicle has a 343 cm (135 inch) wheelbase, a rear control panel for this system is located in the second row behind the driver in the rear of the vehicle. The temperature, air delivery mode, and the fan speed can be adjusted for the rear seating area by a rear seat passenger. AUX (Auxiliary): Turn the fan knob on the front climate control panel to AUX to let rear seat passengers use the control panel in the rear seating area. This disables the front control panel. To return control to the front panel, move the fan knob out of AUX. Front Climate Control Panel 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). 9: Turns the system off. 4-19