A vehicular light module includes a light source configured to have a position that is adjustable longitudinally along a direction in which light radiates from the light source. The light module also includes a lighting guide that is movably disposed and that is configured to reflect and diffuse the light radiated from the light source. The light module further includes a moving unit configured to move the lighting guide to adjust the reflection and the diffusion of the light radiated from the light source by the lighting guide.