How to use Vietnam Battleifled Code? bfbc2 vietnam?

So i got a code for battleifled bad company 2 for vietnam mode. i put it in the store and it said that the code succesfully worked. But how do i play vietnam now??? Could someone please tell me step by step on how to play it. I put the code in right and now i just don't know how to play it. I tried to download it but it says i need to buy it.How to use Vietnam Battleifled Code? bfbc2 vietnam?
Open Bad Company 2



Paste the code in the thing, after you click VIETNAM.



Should work :)

dragon age console

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