1997 Pontiac Trans Sport Owner's Manual - Page 215

Air Conditioning On very hot days, your vehicle will cool down more quickly and economically if you open windows long the enough to let hot, inside air escape. For all settings, adjust the temperature control knob and fan speed as desired. To get maximum coolingor a quick cool-down on very hot days, pressthe A/C and RECIRC buttons (the lights will glow) and turn the temperature to the left knob (toward the blue area). Adjust the mode knob direct to the air to the desired location. This setting should not be used for long periods time because the may of air become too cold and dry. s h the N C button again (the h light willgo off) to turn off the air conditioning. Heating Turn the temperature knobto the right (towardthe red area) to warm the air. In theLOWER mode, outsideair will be brought in and sent through the floor outlets. heater works best if The you keep your windows closed while using it. The BI-LEV setting is designed for use on sunny days when the airis only moderately warmor cool. On days llke these, the sun may adequately warm your upper be body, but your lower body may not warm enough. For the best results, turn the temperaturecontrol knob to the middle position, and then adjustfor comfort. it If you have the optional engine coolant heater and use it during cold weather, "F (-18 " C )or lower, your 0 When the air conditioner compressoris on, you may heating system will provide heat more quickly because sometimes notice slight changes in your vehicle's engine the engine coolant is already warmed. "Engine See performance and power.This is normal. The system is Coolant Heater"in the Index. designed tohelp fuel economy while maintains the it desired cooling level. The air conditioner removes moisture from air, so the you may sometimes notice water dripping from under your vehicle when it idling or after it has been turned is off. This is normal. 3-4