2008 Jeep Wrangler Owner's Manual - Page 264

UNDERSTANDING YOUR INSTRUMENT PANEL 263 Blower Control Use this control to regulate the amount of air forced through the system in any mode you select. The fan speed increases as you move the control to the right from the OFF position. NOTE: If your air conditioning performance seems lower than expected, check the front of the A/C condenser: located in front of the radiator, for an accumulation of dirt or insects. Clean with a gentle water spray from behind the radiator and through the condenser. Fabric front fascia protectors may reduce air flow to the condenser, reducing air conditioning performance. Recirculation Control Press this button to choose between outside air intake or recirculation of the air inside the vehicle. A lamp will illuminate when you are in "Recirculate" mode. Only use the "Recirculate" mode to temporarily block out any outside odors, smoke, or dust and to cool the interior rapidly upon initial start up in very hot or humid weather. 4 Temperature Control Use this control to regulate the temperature of the air inside the passenger compartment. The blue area of the scale indicates cooler temperatures while the red area indicates warmer temperatures.