that's hard to believe. especially since you are signing a waiver upon entry so you can't sue them. i was there last year and it was truly an awesome experience.
it needs to be on the outlet of the evaporator strapped tightly on the suction line and insulated. it senses the refrigerant temperature to modulate the flow of refrigerant into the evaporator
i hope you removed the broadcast sheet from the seat very carefully and put it in a plastic sheath inside a hard cover heavy book to preserve it. that is in great condition by the look of it.