Information [Taken on 12-1-16] I was pretty disappointed when I rode the first car. The door close button wouldn’t press. I didn’t see too much of a problem with the second … source Previous Post #Throwback: ThyssenKrupp Signa4 Hydraulic Elevator at University Branch Library in Sugar Land, TX. Next Post Nice ThyssenKrupp Hydraulic Elevators @ the Witaker St. Parking Garage in Savannah, GA