A lighting module (2; 102), in particular for a motor vehicle, comprising: - a main optical system (4; 104) able to form a main light beam along an optical axis (10; 110) of the lighting module, with an upper horizontal cut-off (26.1); - a first complementary optical system (12; 112) able to form a first complementary light beam along the optical axis (10; 110), narrower than the main light beam and with an oblique lateral cut-off (28.1); - a second complementary optical system (14; 114) able to form an alternative, second complementary light beam along the optical axis (10; 110), narrower than the main light beam and with an oblique lateral cut-off (30.1) opposite the oblique lateral cut-off (28.1) of the first complementary light beam characterized in that each of the first and second complementary optical systems (12, 14; 112, 114) comprises a light source (16, 18; 116, 118) and an optical element (20.1, 20.2; 120.1, 120.2) with a surface able to be illuminated (20.1.3, 20.2.3; 120.1.2, 120.2.2) by said light source, the optical element (20.1, 20.2) of each of the first and second complementary optical systems (12, 14) is a diopter with an inlet face (20.1.1,20.2.1) of the light emitted by the corresponding light source (16, 18), a reflecting face (20.1.2, 20.2.2) of said light, and an outlet face (20.1.3, 20.2.3) of said light, forming the surface able to be illuminated, or the optical element (120.1, 120.2) of each of the first and second complementary optical systems (112, 114) comprises a reflective surface (120.1.2, 120.2.2) forming the surface able to be illuminated, and in that the lighting module comprises a lens (22; 122) for projecting the first and second complementary light beams (28, 30), which is configured to form an image of the illuminated surface (20.1.3, 20.2.3; 120.1.2, 120.2.2) of the optical element (20.1, 20.2; 120.1, 120.2) of each of the first and second optical systems (12, 14; 112, 114). - a main optical system (4; 104) able to form a main light beam along an optical axis (10; 110) of the lighting module, with an upper horizontal cut-off (26.1); - a first complementary optical system (12; 112) able to form a first complementary light beam along the optical axis (10; 110), narrower than the main light beam and with an oblique lateral cut-off (28.1); - a second complementary optical system (14; 114) able to form an alternative, second complementary light beam along the optical axis (10; 110), narrower than the main light beam and with an oblique lateral cut-off (30.1) opposite the oblique lateral cut-off (28.1) of the first complementary light beam characterized in that each of the first and second complementary optical systems (12, 14; 112, 114) comprises a light source (16, 18; 116, 118) and an optical element (20.1, 20.2; 120.1, 120.2) with a surface able to be illuminated (20.1.3, 20.2.3; 120.1.2, 120.2.2) by said light source, the optical element (20.1, 20.2) of each of the first and second complementary optical systems (12, 14) is a diopter with an inlet face (20.1.1,20.2.1) of the light emitted by the corresponding light source (16, 18), a reflecting face (20.1.2, 20.2.2) of said light, and an outlet face (20.1.3, 20.2.3) of said light, forming the surface able to be illuminated, or the optical element (120.1, 120.2) of each of the first and second complementary optical systems (112, 114) comprises a reflective surface (120.1.2, 120.2.2) forming the surface able to be illuminated, and in that the lighting module comprises a lens (22; 122) for projecting the first and second complementary light beams (28, 30), which is configured to form an image of the illuminated surface (20.1.3, 20.2.3; 120.1.2, 120.2.2) of the optical element (20.1, 20.2; 120.1, 120.2) of each of the first and second optical systems (12, 14; 112, 114).