cost me $15 to get cut at a locksmith and $70 to get it programed by holden dealer. depending on the features of your car it may be worth getting it done by holden. my car has memory seats so when i use my key the seat move to my position and the sterio changes to what i was last listening to, and the same setup for my wifes key. when we bought the car it only came with one key but the dealer gave me a blank to get fixed up at home (bought the car 900km away). holden first copied the key but the memory seats didnt work. found out the bcm can use 3 keys, key 1 and key 2 are different but the key programmed in spot 3 is a copy of one of the first two keys. so it is possible that you may get the same result as me which will need another visit to get the keys in the right spot on the bcm. so as you can see its not as simple as copy and paste of the key itself.