Theft of my perfume which was forgotten in the car

Hi, I am a jeep driver, just took my car in for service but when collected my car realized my perfume that I forgot in the car was missing. ****** to be exact. I was just told that i signed that all my valuables were removed. And that they have signs. That is not good enough! I drive a jeep because I love it but I don't want to have to worry about things going missing in my car! Please hire people that dont ***** as this experience left a bad taste in my mouth. Come on Jeep!