(08 May 2014, 8:40 pm)Andreos Constantopolous wrote It isn't the emergency door I was referring to.
It is the other side of the bus, above the wheel arch that an internal sticker, indicates that the window is an emergency window and that the tungsten hammer is available for use.
Not sure if this helps, but 3M Media advise against "applications that in any way restrict the safe operation of emergency window exits".