1994 Pontiac Grand Am Owner's Manual - Page 105

Comfort Controls & Audio Systems I Heating pjd I Turning the right control knob to (Heater) and the center control knob clockwise will send heated air through the Defrosting heater ducts toward your feet and the floor, and some through the defroster T h e w (Defrost) setting directs most air vents. through the defroster vents, and some through the heater ducts. ;j' (Vent) and (Heater) are economical positions because the air Defogging Windows with conditioner compressor doesn't run in Air Conditioning System these two settings. This reduces engine load, resulting in improved fuel economy. To defog the windshield, turn all three If either setting fails to keep you control knobs to the far right. comfortable, or causes your windows to fog up, turn the right control knob to one of the air conditioning positions, or to %-$ (Defrost). (Blend): This setting,divides air flow Zqually between the heater ducts and the windshield defroster vents. %?a wo To defog the side windows, turn the right A0 control knob to p i (Bi-Level) and the fan control knob to HIGH. Aim the side vents toward the side windows. For increased air flow to the side vents, close the center vents. If you have the optional engine coolant heater (engine block heater) and use it during cold weather,0"F (- 18O C) or lower, your heating system will more quickly provide heat because the engine coolant is already warmed. See "Engine Coolant Heater" (Engine Block Heater) the Index. ...IO4