Vehicle lighting fixture device

A vehicle lighting fixture device, comprising:

• a memory;
• and
• a processor coupled to the memory, the processor being configured to:
• at a time of forward travel of a vehicle, other than at a time of deceleration of the vehicle, control a lighting fixture of the vehicle so as to change, at a predetermined speed in a direction of travel of the vehicle, an illumination range or an illumination position on a road surface of light emitted from the lighting fixture,
• at a time of deceleration of the vehicle, control the lighting fixture so as to change, at a lower speed than the predetermined speed in the direction of travel of the vehicle, the illumination range or the illumination position on a road surface of the light emitted from the lighting fixture, and
• at a time of reversing of the vehicle, control the lighting fixture so as to change, in a direction of reversing of the vehicle, the illumination range or the illumination position on a road surface of the light emitted from the lighting fixture.