Abstract: A system for a vehicle is provided with a controller and detecting devices detecting information on driver state and/or vehicle state. The controller determines whether driver information matches a notification condition for transmitting the driver information to a communication terminal provided to a watcher via a communication network. The driver information includes information acquired from any one of the devices. In response to the driver information matching the notification condition, the driver information is transmitted to the communication terminal, and a stimulus is provided to the driver with a stimulus provision device according to an operation by the watcher via the communication terminal.