Vehicle, Vehicle Control Interface Box, and Autonomous Driving Vehicle

A VP carries out vehicle control in accordance with an instruction from an ADK. A vehicle control interface interfaces between the VP and the ADK. The vehicle control interface receives from the ADK, a power supply mode request which is an instruction for controlling a power supply mode of the VP. The power supply mode includes a sleep mode in which a vehicle is in a Ready OFF state, a driving mode in which the vehicle is in a Ready ON state, and a wake mode in which the vehicle control interface is on.