Patent ID: 7210828

Claim:
A vehicle lighting system comprising: an additional illumination lamp for additionally illuminating ahead of a vehicle; and a controller for controlling turn-on and turn-off of the additional illumination lamp based on a steering angle at which the vehicle is steered, wherein the controller sets as references for controlling the turn-on and turn-off of the additional illumination lamp; a turn-on reference steering angle for turning on the additional illumination lamp; a primary turn-off reference steering angle for turning off the additional illumination lamp at a steering angle which is smaller than the turn-on reference steering angle; and a secondary turn-off reference steering angle for turning off the additional illumination lamp at a steering angle which is larger than the primary turn-off reference steering angle at a time subsequent to the vehicle having been steered to a predetermined steering angle which is larger than the turn-on reference steering angle and the secondary turn-off reference steering angle.