basically I have a 66plate Audi A4 b9 and since I've had it the start stop has never worked I have had at least 5 months now it has full Audi service history so I can't understand what's wrong with it and as a side question if anyone knows I've set up the my Audi app on my phone with the special code user for the car and stuff but I can't lock the doors or anything like that from the app im sure I should be able to that at least or turn on the heating remotely?? any help appreciated