i use dto work a dealership. i will tell you a story. when the car comes in to the dealer it is booked in.now since the tech thats is under huge load and the forman says just plug it in and see what you get and a quike look under the dash and have a findall and try some buttoms on the dash and if nothing well it might be a pull out dash job.just a idea what that thay might do. sorry if i scare you mate