DRIVING ASSISTANCE SYSTEM, DRIVING ASSISTANCE METHOD, AND STORAGE MEDIUM

A driving assistance system includes an assistance information acquisition unit configured to acquire assistance information from an information processing server, a setting information acquisition unit configured to acquire an assistance timing of an in-vehicle driving assistance unit set by a driver of a target vehicle, and an assistance information providing unit configured to execute driving assistance for the target vehicle based on the acquired assistance information. The assistance information providing unit provides the driving assistance based on the assistance information when the assistance timing is within a first timing range and does not execute the driving assistance based on the assistance information when the assistance timing is within a second timing range later than the first timing range.