Vehicle Control System and Vehicle Control Method

A vehicle control system according to the present disclosure comprises a first battery that supplies power to a power source that drives the vehicle an automatic driving processing unit that provides the automatic driving function; and a second battery The second battery supplies power to the automatic driving processing unit in the ignition-off state. Further, the second battery supplies power to the first battery to activate the first battery when the vehicle is transitioned from the ignition-off state to an ignition-on state.