2011 Jeep Grand Cherokee Owner Manual - Page 337

UNDERSTANDING YOUR INSTRUMENT PANEL 335 Summer Operation Winter Operation When operating the system during the winter months, NOTE: In some cases during high temperature trailer make sure the air intake, located directly in front of the tow operation the Air Conditioning system performance windshield, is free of ice, slush, snow, or other obstructions. may be reduced. This is to help protect the engine from Vacation Storage overheating during the high load condition. Anytime you store your vehicle, or keep it out of service Your air conditioning system is also equipped with an (i.e. vacation) for two weeks or more, run the air condiautomatic recirculation system. When the system senses tioning system at idle for about five minutes in the fresh a heavy load or high heat conditions, it may use partial air and high blower setting. This will ensure adequate Recirculation A/C mode to provide additional comfort. system lubrication to minimize the possibility of compressor damage when the system is started again. 4