1999 Nissan Pathfinder Owner's Manual - Page 129
1999 Nissan Pathfinder Manual
Page 129 highlights
Operating tips ¼ Keep windows and sun roof closed while the air conditioner is in operation. ¼ After parking in the sun, drive for two or three minutes with the windows open to vent hot air from the passenger compartment. Then, close the windows. This will allow the air conditioner to cool the interior more quickly. ¼ The air conditioning system should be operated for about ten minutes at least once a month. This helps prevent damage to the system due to lack of lubrication. ¼ If the coolant temperature gauge exceeds the hot position, turn the air conditioner off. For additional information, see "If your vehicle overheats" in the "6. In case of emergency" section. AIR FLOW CHARTS The following charts show the button and dial positions for maximum and quick heating, cooling or defrosting. The air recirculation switch should always be in the off position for heating and defrosting. 4-6 Heater, air conditioner and audio systems