Recirculation Button
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1995 GMC Yukon, 1995 GMC Pickup, 1995 GMC Cab & Chassis, 1995 GMC C3500 HD, and 1995 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
Button is located between temperature control knob and blower switch. When pressed, air is allowed to recirculate inside vehicle. This helps maximize A/C performance and fuel economy. This setting cools air faster and prevents dust from entering vehicle.