1997 Nissan Altima Owner's Manual - Page 76

HEATER AND AIR CONDITIONER (AUTOMATIC) (If so equipped) The air conditioner cooling function operates only when the engine is running. Cooling and/or dehumidified heating (AUTO mode) This mode may be used throughout the year as the system automatically works to maintain the customer-selected temperature. Air flow distribution and fan speed are also controlled automatically. 1. Push the AUTO switch on. AUTO and the previously selected temperature appear in the display. 2. Push the temperature set button to set the desired temperature. or AHA0534 WARNING ● The air conditioner cooling function operates only when the engine is running. ● Do not leave children, unreliable adults, or pets alone in your vehicle. On hot sunny days, temperatures in a closed vehicle could quickly become high enough to cause severe or possibly fatal injuries to people or animals. ● Do not use the recirculation mode for long periods as it may cause the interior air to become stale and the windows to fog up. ● Positioning of the heating or air conditioning controls should not be done while driving, in order that full attention may be given to the driving operation. ● Adjust the temperature to about 75°F (24°C) for normal operation. ● The temperature of the passenger compartment is maintained automatically. Air flow distribution and fan speed are also controlled automatically. Controls Start the engine and operate the controls to activate the climate control system. Push the OFF switch to turn the system off. 3-8 Heating (ECON mode) The ECON (economy) mode provides climate control without activating the air conditioner. When only heating of the passenger compartment is desired, use this mode.