DRIVING SUPPORT DEVICE

A driving support device includes an operation unit configured to receive an operation of a driver related to driving support of a vehicle; a driving control unit configured to execute the driving support based on the operation of the driver; a storage unit configured to store an explanation of the driving support corresponding to the operation unit; a notification unit configured to provide the explanation of the driving support to the driver through any one of augmented reality, mixed reality and virtual reality; and a control unit connected to the driving control unit, the notification unit, and the storage unit, configured to switch between a travel mode and an explanation mode and to operate in a mode switched.