2010 Jeep Grand Cherokee Owner's Manual - Page 233

232 UNDERSTANDING YOUR INSTRUMENT PANEL When stopped in heavy traffic, it may be necessary to Vacation Storage shift into NEUTRAL and press the accelerator slightly for Anytime you store your vehicle, or keep it out of service fast idle operation to increase coolant flow and fan speed. (i.e. vacation) for two weeks or more, run the air conditioning system at idle for about five minutes in the fresh Your air conditioning system is also equipped with an air and high blower setting. This will ensure adequate automatic recirculation system. When the system senses system lubrication to minimize the possibility of coma heavy load or high heat conditions, it may use partial pressor damage when the system is started again. Recirculation A/C mode to provide additional comfort. Winter Operation When operating the system during the winter months, make sure the air intake, located directly in front of the windshield, is free of ice, slush, snow, or other obstructions.