1997 Pontiac Grand Prix Owner's Manual - Page 166
1997 Pontiac Grand Prix Manual
Page 166 highlights
Hot Weather Example: (When you start the vehicle in Hot weather, 80°F (27 C) or afterbeing parked during the day in full sun). If your Driver SetTemperature is73"F (23°C)and you are in Full Automatic mode. The system will automatically move the temperature doors to full Cold. Theblower will be at low speed momentarily and then go to high blower. The air intakewill be recirculated for maximum cooling performance. As the interior of the vehicle coolsdown to your desired comfort point, the blower will decrease and the temperature door will move to a warmer position to maintain your desired comfort.As the cabincools down or the sun load decreases the system could switch to air delivered to A/C vents and the floor. (Bi-level mode) O Manual Control Fan Buttons The fanbuttons select theamount of air you want when the system is not in AUTO. The display willshow the fan speed by illuminating a maximum of seven fan bars. Mode Button The center panel has several settings to control the direction of airflow when the system is not inAUTO. The indicator light on the button will glow when the button is pressed. To access the various modes available, continue to press the MODE button until the desired mode appears on thedisplay. RECIRC: This setting recirculates much of the air inside your vehicle and sends it through the instrument panel outlets. The air conditioning compressor will run automatically in this setting unless the outside temperature is below 38 O F (3.3"C). /J UPPER: This setting brings in the outside air and 4* directs it through the instrument panel outlets. 3-6