A shift hydraulic apparatus and method are provided for a vehicular automatic transmission constituted by a torque converter and a continuously variable transmission. A first row seat and a second row seat are provided in the cabin, and a dividing wall separates the cabin and the bed. A first cam having cam gears is externally provided at the anvil so as to be integral with the anvil. The impedance unit includes a first terminal coupled to the first sourcedrain of the transistor, and a second terminal coupled to a first voltage.