guys my wife just got a 08 LTD and has the little black remote with the green button for auto start,but it dont honk the horn or show the lights or anything like that,Should it and if so how do I activate it,thank you ...also her nav was working lastnight when we got it and I wanted to see what program it was running and I put the factory disc back in and it says cant read matbe dirty or smuged something to that effect and help with that also .