2010 Jeep Grand Cherokee Owner's Manual - Page 227

226 UNDERSTANDING YOUR INSTRUMENT PANEL respectively. With the temperature setting in these posi- NOTE: tions, the system does not attempt automatic comfort • The surface of the climate control panel, and the top center of the instrument panel should be kept free of control. debris due to the climate control sensor's location. Air Conditioning Mud on the windshield may also cause poor operation The air conditioning in this system is automatic. of this system. Pressing this button while in AUTO mode will cause the LED to flash three times and remain off. • To provide you with maximum comfort in the automatic mode, during cold start-ups the blower fan will This indicates that the system is in AUTO and requesting remain off until the engine warms up. However, the the air conditioning is not necessary. fan will engage immediately if the defrost mode is Recirculation selected or if you manually select a blower speed. The system will automatically control recirculation. However, pressing this button will tem- • Under certain conditions (after the vehicle is turned porarily put the system in Recirculation mode. off) the climate control system may recalibrate and a This can be used when outside conditions such noise may be heard for 20 seconds. This is part of as smoke, odors, dust, or high humidity are present. This normal operation. will cause the LED to illuminate.