A refrigerator includes a refrigerator cabinet, a refrigerator compartment disposed within the refrigerator compartment, a drawer within the refrigerator compartment, a cover on a top of the drawer, a plurality of apertures in the cover, and controls on the cover for controlling temperature within the drawer. The cover is configured to be positioned between a user interface assembly and a user interface cover with screws through the apertures in a first configuration wherein the controls are electronic controls for controlling temperature within the drawer. The cover is further configured to be snapped to a control housing using the plurality of apertures for alignment in a second configuration wherein the controls are manual controls for controlling the temperature within the drawer.