I think that is the one you need to leave your keys , not sure. I would check first.
We used Embassy suites the shuttle was $10 pp or a taxi is about $24.
We booked through http://www.airportparkingreservations.com/
Alexandr Pushkin, Carnival-Holiday, HAL-(old)Westerdam, Orient lines-Marco Polo, Royal Olympic-Olympic, NCL-Dream, Dawn-Princess, ACCL-Grande Caribe, Oceania-Insignia (3), Regatta(4) Marina (1) St Lawrence Cruise Lines-Canadian Empress
Scenic River cruise June 11,2012