VEHICLE, INFORMATION PROCESSING DEVICE, NOTIFICATION SYSTEM, AND NON-TRANSITORY STORAGE MEDIUM

A vehicle equipped with an electronic control unit includes: one or more communication devices configured to receive from a server an approval request to a user regarding update of software used in the electronic control unit; and one or more processors configured to receive a predetermined vehicle-side operation for the approval request, perform control for notifying, to an information processing device of the user, a vehicle-side operation result of the predetermined vehicle-side operation without going through the server when the predetermined vehicle-side operation is received, and perform control for withdrawing the approval request received by the one or more communication devices when the vehicle receives from the information processing device a device-side operation result of a predetermined device-side operation. The predetermined device-side operation is an operation received in the information processing device and is an operation for the approval request transmitted from the server to the information processing device.