2012 Jeep Grand Cherokee Owner Manual SRT - Page 404
2012 Jeep Grand Cherokee Manual
Page 404 highlights
402 UNDERSTANDING YOUR INSTRUMENT PANEL Regular cleaning of the inside of the windows with a non-filming cleaning solution (vinegar and water works very well) will help prevent contaminates (cigarette smoke, perfumes, etc.) from sticking to the windows. Contaminates increase the rate of window fogging. Summer Operation NOTE: In some cases during high temperature trailer tow operation the Air Conditioning system performance may be reduced. This is to help protect the engine from overheating during the high load condition. Your air conditioning system is also equipped with an automatic recirculation system. When the system senses a heavy load or high heat conditions, it may use partial 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. Vacation Storage Anytime you store your vehicle, or keep it out of service (i.e. vacation) for two weeks or more, run the air conditioning system at idle for about five minutes in the fresh air and high blower setting. This will ensure adequate system lubrication to minimize the possibility of compressor damage when the system is started again.
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