2002 Chevrolet Astro Owner's Manual - Page 158

When you close a vent, it will increase the flow of air coming out of any vents that are open. If you have rear heating or rear air conditioning, you will have adjustable vents in the rear of the vehicle to help direct the airflow. The rear air conditioning vents are located in the headliner at the rear of the vehicle. The rear heating vents are located next to the second and third seat on the driver's side of the vehicle, near the floor. You can move the vents to direct the flow of air, or close the vents altogether. When you close a vent, it will increase the flow of air coming out of any vents that are open. Ventilation Tips D Keep the hood and front air inlet free of ice, snow or any other obstruction (such as leaves). The heater and defroster will work far better, reducing the chance of fogging the inside of your windows. fan to HI for a few moments before driving off. This helps clear the intake ducts of snow and moisture and reduces the chance of fogging the inside of your windows. objects. This helps air to circulate throughout your vehicle. D When you enter a vehicle in cold weather, turn the D Keep the air path under the front seats clear of 3-9