VEHICLE HEADLAMP SYSTEM AND VEHICLE LAMP SYSTEM

A vehicle headlight system that can he used together with a vehicle control unit () that switches from an autonomous driving mode to a manual driving mode on the basis of external information about a vehicle (), wherein the system has a headlight () mounted on the vehicle (), and a lamp control unit () that controls the headlight (), the lamp control unit (): controlling the headlight () so as to form a first light distribution pattern (P) when the vehicle control unit () is executing the autonomous driving mode; controlling the headlight () so as to form a second light distribution pattern (Q) when the vehicle control unit () is executing the manual driving mode; and controlling the headlight so as to form a third light distribution pattern (R) that irradiates at an illuminance equal to or greater than the illuminance of the first light distribution pattern (P) and/or irradiates a range equal to or greater than the irradiation region of the first light distribution pattern (P), when transitioning from the autonomous driving mode to the manual driving mode.