DRIVING ASSISTANCE SYSTEM

On the basis of a target completion position as a position for completing an ON operation of a brake in front of a corner of a predetermined traveling course in a predetermined traveling course, a target completion vehicle speed as a target completion position in the target traveling pattern, a target deceleration as a deceleration at the target completion position in the target traveling pattern, and a vehicle speed of the vehicle, a start timing for starting an ON operation of the brake so that the vehicle speed is reduced to the target completion position at the target deceleration and becomes the target completion vehicle speed at the target completion position is set, and the notification device controls the notification device to perform a brake ON notification which is a notification for prompting the ON operation of the brake at the set start timing.