Module cover for a key module for a key, key module for a key, and method for producing a key

A module cover for a key module for a key, wherein the module cover comprises:

• a through-hole for a passage of a key tappet of the key;
• a light injection region for injecting light from a light source into the module cover;
• a first light output region for outputting a first portion of the light a second light output region for outputting a second portion of the light out of the module cover, wherein the first light output region and the second light output region are arranged on different sides of the through-hole;
• and
• a first light directing portion and a second light directing portion, which are arranged on different sides of the through-hole, wherein the first light directing portion is formed to direct a first portion of the light to the first light output region and a second portion of the light to the second light directing portion, and wherein the second light directing portion is formed to direct at least part of the second portion of the light to the second light output region.