Controlling vehicle lighting device, especially for road-going motor vehicle, involves second vehicle sending signal to alter lighting device operational state to first vehicle depending on result of detecting light from first vehicle

摘要

The vehicle lighting device control method involves a second vehicle (2) detecting light generated by a first vehicle (1) that is equipped with the lighting device (4) and sending a signal to alter the operational state of the lighting device to the first vehicle depending on the result of detecting (5) the light generated by the first vehicle.. An independent claim is also included for a controller for a vehicle lighting device.