The invention relates to a cleaning system of a surface, such as of at least one headlight of an automotive vehicle. A cleaning system of a surface, such as of at least one headlight of an automotive vehicle, comprising a cleaning device per a tank designed to contain the cleaning liquid, a main pipe linking the reservoir to the cleaning device. The cleaning device comprises diffusing means for diffusing a substantially uniform dispersion of the liquid along a substantially parallel line and situated towards the upper edge of the surface, so that the liquid is distributed on said blanket surface extending between substantially the upper edge and substantially the lower edge of the surface.