def default_correct_start_stop_with_gears(gear_box_type):
    """
    Defines a flag that imposes the engine on when there is a gear > 0.

    :param gear_box_type:
        Gear box type (manual or automatic or cvt).
    :type gear_box_type: str

    :return:
        A flag to impose engine on when there is a gear > 0.
    :rtype: bool
    """
    return gear_box_type == 'manual'
