On the subject of keys, managed to get spare set from previous owner, but theres a problem,although i get red light signal will not open door locks. I,ve changed the batteries and re-synched, and it will start car when door is open. The main set Iuse is the no2 set and the non working one i think must me no 1 but label lettering worn away.Any ideas?.Also where can i get my door lock security code from? as always any advise greatly appreciated