menu/SteeringController/EnableInput
// Handle Input
var handleValue = Input.GetAxis ("HANDLE");
// Button Input
// "SQUARE", "CROSS", "CIRCLE", "TRIANGLE", "L1", "R1",
// "LLEVER", "RLEVER", "SHARE", "OPTIONS", "L3", "R3", "PS"
if (Input.GetButtonDown("SQUARE")) {
//hoge
}