Lighting and/or signaling device for a motor vehicle, comprising - at least two light guides (110, 120, 130, 140, 150) with a light coupling-in point (112, 122, 132, 142, 152) and a coupling-out section (114, 124, 134, 144, 154), as well as at least one light source (111, 121, 131, 141, 151) assigned to the respective light guides, which feeds light into the respective light guides (110, 120, 130, 140, 150) via the light coupling-in point and a subsequent feed section (113, 123, 133, 143, 153), wherein the light source (111, 121, 131, 141, 151) feeds light into the respective light guides (110, 120, 130, 140, 150) via the light coupling-in point and a subsequent feed section (113, 123, 133, 143, 153), wherein light fed into the light guides exits by means of decoupling elements arranged in the decoupling section of the respective light guides via a light exit region in the decoupling section of the respective light guides, and - an at least partially translucent light lens, which is arranged downstream of the light guides (110, 120, 130, 140, 150) in the direction of light emission, wherein the lens has at least two at least partially translucent regions separated from one another by an opaque region - hereinafter referred to as light windows (201, 202, 203, 204, 205) - which are each assigned to at least one of the at least two light guides and whose arrangement in relation to the respective light guides enables at least partial transmission of the light emerging from the light exit region of the respective light guides, the shape of the light windows being essentially aligned with the shape of the respective light guides to which the light windows are assigned, characterized in that decoupling elements are arranged in the feed section (113, 123, 133, 143, 153) of the respective light guides in order to prevent the light fed in by the at least one light source (111, 121, 131, 141, 151) from escaping away from the decoupling section (114, 124, 134, 144, 154), wherein preferably the decoupling elements in the feed section (113, 123, 133, 143, 153) of the respective light guides are designed as cylindrically shaped grooves, wherein in particular the size or the dimensions of the decoupling elements in the feed section (113, 123, 133, 143, 153) of the respective light guides increasing or decreasing along the respective light guide in the direction of the light guide end (115, 125, 135, 145, 155). - at least two light guides (110, 120, 130, 140, 150) with a light coupling-in point (112, 122, 132, 142, 152) and a coupling-out section (114, 124, 134, 144, 154), as well as at least one light source (111, 121, 131, 141, 151) assigned to the respective light guides, which feeds light into the respective light guides (110, 120, 130, 140, 150) via the light coupling-in point and a subsequent feed section (113, 123, 133, 143, 153), wherein the light source (111, 121, 131, 141, 151) feeds light into the respective light guides (110, 120, 130, 140, 150) via the light coupling-in point and a subsequent feed section (113, 123, 133, 143, 153), wherein light fed into the light guides exits by means of decoupling elements arranged in the decoupling section of the respective light guides via a light exit region in the decoupling section of the respective light guides, and - an at least partially translucent light lens, which is arranged downstream of the light guides (110, 120, 130, 140, 150) in the direction of light emission, the lens has at least two at least partially translucent regions separated from one another by an opaque region - hereinafter referred to as light windows (201, 202, 203, 204, 205) - which are each assigned to at least one of the at least two light guides and whose arrangement in relation to the respective light guides enables at least partial transmission of the light emerging from the light exit region of the respective light guides, the shape of the light windows being essentially aligned with the shape of the respective light guides to which the light windows are assigned, characterized in that decoupling elements are arranged in the feed section (113, 123, 133, 143, 153) of the respective light guides in order to prevent the light fed in by the at least one light source (111, 121, 131, 141, 151) from escaping away from the decoupling section (114, 124, 134, 144, 154), wherein preferably the decoupling elements in the feed section (113, 123, 133, 143, 153) of the respective light guides are designed as cylindrically shaped grooves, wherein in particular the size or the dimensions of the decoupling elements in the feed section (113, 123, 133, 143, 153) of the respective light guides increasing or decreasing along the respective light guide in the direction of the light guide end (115, 125, 135, 145, 155).