2010 GMC Savana 2500 Cargo Owner's Manual - Page 166

9 (Fan Control): Turn clockwise or counterclockwise to increase or decrease the fan speed in the rear-seating area. Temperature Control: Turn clockwise or counterclockwise to increase or decrease the temperature in the rear-seating area. The air-conditioning system on the main climate control panel must be turned on to direct cooled air to the rear of the vehicle. If it is not on, then the temperature in the rear of the vehicle remains at cabin temperature. Air Delivery Mode Control: Turn clockwise or counterclockwise to change the direction of the airflow in the rear seating area. To change the current mode, select one of the following: (Vent): Air is directed to the upper outlets, with some directed to the floor outlets. Warning Lights, Gages, and Indicators Warning lights and gages can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement. Paying attention to the warning lights and gages could prevent injury. Warning lights come on when there might be or there is a problem with one of the vehicle's functions. Some warning lights come on briefly when the engine is started to indicate they are working. Gages can indicate when there might be or there is a problem with one of the vehicle's functions. Often gages and warning lights work together to indicate a problem with the vehicle. When one of the warning lights comes on and stays on while driving, or when one of the gages shows there could be a problem, check the section that explains what to do. Follow this manual's advice. Waiting to do repairs can be costly and even dangerous. H 2 (Floor): Air is directed to the floor outlets. Be sure to keep the area under the front seats clear of any objects so that the air inside of the vehicle can circulate effectively. For information on how to use the main climate control system, see Climate Control System on page 4-15. For information on ventilation, see Outlet Adjustment on page 4-17. 4-20