2002 Chevrolet Venture Owner's Manual - Page 236
2002 Chevrolet Venture Manual
Page 236 highlights
When the air conditioner compressor is on, you may sometimes notice slight changes in your vehicle's engine performance and power. This is normal. The system is designed to help fuel economy while it maintains the desired cooling level. The air conditioner removes moisture from the air, so you may sometimes notice water dripping from under your vehicle's engine compartment when it is idling or after it has been turned off. This is normal. Your vehicle has a computer controlled transaxle designed to warm up the engine faster when the outside temperature is 35_F (2_C) or colder. You may notice that the transaxle will shift at a higher vehicle speed until the engine is warmed up. This is a normal condition designed to provide heat to the passenger compartment and defrost the windows more quickly. If you have the optional engine coolant heater and use it during cold weather, 0_F (-18_C) or lower, your heating system will provide heat more quickly because the engine coolant is already warmed. See "Engine Coolant Heater" in the Index. Heating Turn the temperature knob clockwise toward the red area to warm the air. In the floor mode, outside air will be brought in and sent through the floor outlets. The heater works best if you keep your windows closed while using it. The bi-level setting is designed for use on sunny days when the air is only moderately warm or cool. On days like these, the sun may adequately warm your upper body, but your lower body may not be warm enough. For the best results, turn the temperature control knob to the middle position, and then adjust it for comfort. Defogging and Defrosting To rapidly defrost the windshield, turn the temperature control knob all the way clockwise to the red area and turn the mode knob to defrost. Adjust the fan to the highest speed. To keep the windshield clear and bring in heated air through the floor ducts, turn the mode knob to defog. When the temperature outside is above freezing, the air conditioner compressor will run in these settings to help remove moisture from the air. 3-4