def get_car_unchanging_properties(car):
    """
    Gets car properties that are expected to not change at all
    for a given car VIN/ID during a reasonable timescale (1 week to 1 month)
    :param car: car info in original system JSON-dict format
    :return: dict with keys mapped to common electric2go format
    """

    return {
        'vin': car['Id'],
        'license_plate': car['Name'],
        'model': 'Toyota Prius C'
    }