Lighting device for motor vehicle with movable elements

The device has a headlight (100) in a support case. The headlight has a light source associated to a reflector (101) for generating a light beam intended to light a road. A remote system determines position of the headlight with respect to the case. The system has a light source to produce position information of the headlight. A photo-sensitive cell collects the position information. An independent claim is also included for a motor vehicle.