Example appliance displays having modular light guides and methods of assembling the same are disclosed. An example appliance display includes a printed circuit board having a side-fire light emitting diode attached to a surface of the printed circuit board, a frame having a plurality of heat stakes to operatively connect the printed circuit board to the frame, and a light guide inserted into an opening defined in the frame, wherein the light guide guides light emitted by the light emitting diode through the opening defined in the frame, and wherein the printed circuit board retains the light guide in the opening when the printed circuit board is heat staked to the frame.