The present invention relates to technology which performs wireless communications of a vehicle by selectively operating a wireless communications module of a vehicle connected to an AP (Access Point) which collects vehicle information according to the state of the vehicle. The present invention includes a vehicle information storage unit that stores vehicle information collected from each electronic control unit of a vehicle; a wireless communications module that performs wireless communications with an AP (Access Point); and a wireless communications controller that controls a connection state of the AP with the wireless communications module by selectively operating the wireless communications module according to the state of the vehicle, and sends the vehicle information to the AP through the wireless communications module.