2005 Nissan Altima Owner's Manual - Page 149

Heating (A/C OFF) The air conditioner does not activate. When you need to heat only, use this mode. 1 2 ● To quickly remove ice from the outside of the windows, turn the manual fan control dial to HI. ● As soon as possible after the windshield is clean, turn the air flow control dial to the AUTO position to return to the auto mode. ● When the control dial is turned to the position, the air conditioner will DEF automatically be turned on at outside temperatures above 36°F (2°C). The air conditioning system will continue to operate until the vehicle is restarted, even if the air flow control dial is turned to a position other than position. This dehumidifies the air the which helps defog the windshield. The air recirculate mode automatically turns off, allowing outside air to be drawn into the passenger compartment to further improve the defogging performance. Air recirculation Push the air recirculation button to recirculate interior air inside the vehicle. The indicator light on the switch will come on. The air recirculation button will not be activated when the air conditioner is in DEF mode. Turn the fan control dial to the AUTO position. Push the A/C button to turn off the air conditioner. The light will not be illuminated in the dial. Turn the temperature dial to the left or right to set the desired temperature. Air flow control Turning the air flow control dial away from AUTO selects the air outlet to: 3 ● The temperature of the passenger compartment will be maintained automatically. Air flow distribution and fan speed are also controlled automatically. ● Do not set the temperature lower than the outside air temperature. Otherwise the system may not work properly. ● Not recommended if windows fog up. MANUAL OPERATION Fan speed control Turn the fan control dial left or right to manually control the fan speed. Turn the control dial to the AUTO position to return to automatic control of the fan speed. - Air flows from center and side ventilators. - Air flows from center and side ventilators and foot outlets. - Air flows mainly from foot outlets. - Air flows from defroster and foot outlets. - Air flows mainly from defroster outlets. Dehumidified defogging 1. Turn the air flow control dial to the DEF position to turn it on. The indicator light on the button will come on. 2. Turn the temperature dial to the left or right to set the desired temperature. To turn system off Turn the fan control dial to the OFF position. Display screen, heater, air conditioner and audio systems 4-21