Lighting assembly for automotive vehicles with superposition of light beams

The device has a complementary headlight (2) cooperating with a spring (13) and an actuator (14) so as to vary beam angle of the headlight based on data relative to speed of a vehicle, where data is provided by a data acquisition unit. The headlight comprises of a light source (5) mounted movable in translation on an optical axis (A2) of a reflector (4). The spring and actuator permits to vary the angle between 20 to 70 degrees. An independent claim is also included for a motor vehicle comprising a lighting device.