Air register assembly

A vehicle air register assembly includes a barrel. An adjustment member extends between a first side and a second side of the barrel. The adjustment member includes a housing and an engagement feature. A plurality of vanes are pivotally coupled to the barrel, each vane extends perpendicular to the adjustment member. Each vane defines a recess. The engagement feature extends through each recess. A knob assembly is coupled to the housing. The knob assembly includes a knob, a connector, and a base. The connector and the base are disposed within the housing.