New answers tagged old-cars
I'm not positive, but it looks like a vent actuator. In most older vehicles there were manual vents down in the foot well area of the passenger cabin. You'd have to reach down to actuate it by pulling/pushing a knob. Since Buick's were a little more on the "high end" of the car food chain, they would have such controls at easier access to the driver ...
Top 50 recent answers are included