Motor Vehicle

A motor vehicle (), which can be operated in a self-driving mode, wherein the motor vehicle includes an illumination system () for generating light signal messages to individual road users, which includes a lighting device () and a control device, wherein the lighting device () includes and wherein the lighting device () is arranged encircling the motor vehicle in such a manner that when the one lighting device () is switched on, the optical diffuser () is perceptible as visually continuously shining light ring.