Abstract: An information providing system includes: an onboard device; and a server configured to transmit information to and receive information from the onboard device. The onboard device includes: a condition setting unit configured to acquire a destination and an output mode and to transmit the acquired destination and the acquired output mode to the server; and an output unit configured to output parking lot recommendation information which is received from the server. The server includes: a storage unit configured to store parking lot information including position information of parking lots and parking fees which are detected from a captured image of the parking lots; and an information providing unit configured to prioritize parking lots which are located within a predetermined range from the destination based on the output mode and to provide the parking lot information of the prioritized parking lots as the parking lot recommendation information to the onboard device.

Abstract: An information providing system includes a server and an onboard device configured to transmit and receive information to and from the server. The onboard device includes an imaging unit configured to image a nearby vehicle and a first transmission unit configured to transmit nearby vehicle information including a captured image of the nearby vehicle or dangerous vehicle information including a position of a dangerous vehicle which is detected from the nearby vehicle information and position information of the onboard device to the server. The server includes a warning unit configured to generate warning information including the position of the dangerous vehicle for a vehicle near the dangerous vehicle and a second transmission unit configured to transmit the warning information.