A vehicular glance light apparatus mounted at a vehicle and providing vehicle-running information in form of light, comprising: an input unit configured to generate an input signal that can be manipulated by a driver of a vehicle; a vehicle-sensing unit configured to detect vehicle sensing information including vehicle safety information for the running of the vehicle; a storage unit configured to store vehicle reference information including safety reference information for determining the vehicle running safety; a control unit electrically connected to the input unit, the vehicle-sensing unit, and the storage unit, and configured to provide the driver with vehicle-running information based on the vehicle sensing information of the vehicle-sensing unit and the vehicle reference information of the storage unit; and a glance light unit disposed at a position beyond the driver's concentrated view range needing a driver's attention while being located within the vehicle driver's view range, wherein the driver's view range includes a front view background range (A W), a side view range (A SL, A SR), a front view background cross range (A D), and a front concentration view range (A R), the front view background range (A W) is disposed at the outside of the front view background cross range (A D), and the front view background cross range is included in the front concentration view range (A R), wherein the light unit includes a front inner glance light disposed at a dashboard of the driver's vehicle and a side inner glance light disposed at a front pillar of the driver's vehicle, the front inner glance light and the side inner glance light are disposed at the front view background cross range (A D) to output light corresponding to the vehicle-running information in response to a glance light control signal from the control unit to allow the vehicle driver to intuitively perceive information of light while maintaining the driver's driving attention. an input unit configured to generate an input signal that can be manipulated by a driver of a vehicle; a vehicle-sensing unit configured to detect vehicle sensing information including vehicle safety information for the running of the vehicle; a storage unit configured to store vehicle reference information including safety reference information for determining the vehicle running safety; a control unit electrically connected to the input unit, the vehicle-sensing unit, and the storage unit, and configured to provide the driver with vehicle-running information based on the vehicle sensing information of the vehicle-sensing unit and the vehicle reference information of the storage unit; and a glance light unit disposed at a position beyond the driver's concentrated view range needing a driver's attention while being located within the vehicle driver's view range, wherein the driver's view range includes a front view background range (A W), a side view range (A SL, A SR), a front view background cross range (A D), and a front concentration view range (A R), the front view background range (A W) is disposed at the outside of the front view background cross range (A D), and the front view background cross range is included in the front concentration view range (A R), wherein the light unit includes a front inner glance light disposed at a dashboard of the driver's vehicle and a side inner glance light disposed at a front pillar of the driver's vehicle, the front inner glance light and the side inner glance light are disposed at the front view background cross range (A D) to output light corresponding to the vehicle-running information in response to a glance light control signal from the control unit to allow the vehicle driver to intuitively perceive information of light while maintaining the driver's driving attention.