Flying into San Diego, staying at Hyatt House Carlsbad . Have 2 day legoland tix. Hotel has shuttle that will go 5 miles, so that will get us to Legoland, Do We need to rent a car or can we make do, and just grab a shuttle from the airport to Carlsbad.? Any recommendations for shuttle services? Are they reliable? Travel party is 3 adults and 1 child. Thank you.