if you have no keys then your screwed!you cannot buy a master key, you can buy a virgin lock set and programme it in, the cdi units have rolling codes so if you try and get a key cut IT WONT WORK the mechanical side will but the immobilizer will stay activated i might have a set i will look tommorow and repost on this message, if you get it from me i iwll tell you how to reprogramme it
m
May 2010