1997 Chevrolet Blazer Owner's Manual - Page 143

Ventilation System ror mild outside temperatures when little heating or cooling is needed. use VENT to direct outside air through your vehicle. Airtlow is through the instrument panel outlets. You can move the outlets t o direct the flow o f air, or close the outlets altogether. When you close an outlet. it will increase the flow o f air coming out of m y outIets that are open. Ventilation Tips 0 Your vehicle's ventilation system supplies outside air- to the inside of yo11r vehicle when it is moving. When the vehicle is not moving. you can get outside a i r to flow through by selecting any mode and any fan speed. 0 0 You will find air outlets i n the center and on the sides o f your instrument panel.