As the elevator doors close, the lights of the service elevator flicker out. The Batcave is also accessible via a service elevator which is used by Alfred. Two electronically controlled passenger and one service elevator. Inside the old warehouse, Sarah follows as Paul is taken down a service elevator. Then there were three passenger elevators and one service elevator, with human operators. A service elevator and a winding staircase of 239 steps provide access to the top. The other service elevator is for the apartments and is linked to the service corridors. There will also be 1 service elevator that will service all floors for other purposes.