FIG. 1 is a top plan view of glucose sensor buttons according to our new design;

FIG. 2 is a front elevational view of the embodiment shown in FIG. 1;

FIG. 3 is a side elevational view of the embodiment shown in FIGS. 1-2; and,

FIG. 4 is an opposite side elevational view of the embodiment shown in FIGS. 1-3.

The broken lines are shown in the views for illustrative purposes only and form no part of the claimed design.