1994 Chevrolet Astro Owner's Manual - Page 133
1994 Chevrolet Astro Manual
Page 133 highlights
Heating/Air Conditioning System If your vehicle has air conditioning, your heating/air conditioning system will look like this. Before using yourvehicle's air conditioning, open the windows toclear the vehicle of hot air. Close the windows when using thesystem. Fan Lever The top lever has five positions. To increase the air flow, movethe lever toward HIGH. To decrease the air flow, move thelever toward OFF. Temperature Lever The left lever lets you select the temperature of the air flowing into your vehicle. Move the lever up for warmer air. Movethe lever down for cooler air. Function Lever The right lever can be moved tofour different functions. DEFROST The setting with the defrost symbol operates the defroster. Most of the air comes out near the windshield, with some going to the floor vents and side window defrost vents. Use this when you getfog or ice on the windshield. BLEND: With this setting, the heated outside air comes out between the heater vents anddefroster vents, with some air coming through the side vents. Adjust the temperature lever for warmer orcooler air. HTR (Heater): Most of the air comes out near the floor.The rest comes out from the defroster vents under the windshield and atthe front side windows. This is best for cold weather. VENT: The air comes out at the vents on your instrument panel, The air conditioner will not run. Adjust the temperature lever for warmer or cooler air. 3-5