A voice communication method and system that enables establishing a voice communication in a URC environment is provided. The controller includes an idle stop control section configured to deactivate the engine when the vehicle is in a stopped state and a predetermined condition is satisfied, and configured to restart the engine when the predetermined condition becomes not to be satisfied. A user interface screen is generated responsive to the image, such that the user interface elements are mapped to positions on the screen determined by the respective locations of the corresponding graphic elements in the image. The panel transfer apparatus provides an. At the time of forming the opening portions, the insulating layer is irradiated with a laser beam with the focus position staggered. The base hollow portion comprises a plurality of openings arranged in the wall and entering the internal storage volume.