The Chrysler Building is one of those iconic city structures with its own subway entrance—like the New York Life building on 23rd Street and the KMart (formerly Wanamaker’s) at Astor Place.
Which means that once you get off the 4, 5, or 6 train at Lexington Avenue and 42nd Street, you can follow a passageway that takes you through a basement arcade containing a handful of stores, to a staircase for the lobby.
There’s still a barber shop in that sub-lobby arcade, and a locksmith, and the Lexler Deli (a wonderful hybrid name!). But I’m sorry to say that the efficiently titled Chrysler Beauty Salon is no longer.
It was probably replaced by the Duane Reade down there. . . .