2010 Jeep Grand Cherokee Owner's Manual - Page 226

UNDERSTANDING YOUR INSTRUMENT PANEL 225 be used for front seat occupants only. The HI AUTO position should be used when more airflow is desired, or when rear seat occupants are present. Dial in the comfort setting you would like the system to maintain by rotating the driver's or passenger's control knob. Once the comfort level is selected, the system will maintain that level automatically using the heating system. Should the desired comfort level require air conditioning, the system will automatically make the adjustment. You will experience the greatest efficiency by simply allowing the system to function automatically. Selecting the OFF (O) position on the blower control knob stops the system completely. 4 Automatic Temperature Controls NOTE: The numbers on the temperature dial represent a comfort setting when the Mode knob is set to AUTO, NOTE: The temperature setting can be adjusted at any and not the actual air temperature. time without affecting automatic control operation. However, if the driver and/or passenger temperature knobs Turn the mode control (on the right) knob to AUTO, and are set to the full hot or full cold positions, the air then turn the blower control (on the left) knob to either temperature out of the ducts will be full hot or full cold LO AUTO or HI AUTO. The LO AUTO position should