Replacement Keyless Entry Remote For VW Jetta VR6 6 cyl. 97'?

So my friend has this car, and after i got my remote for my car, he wanted to do the same. Only, when i searched the internet for his remote, it said there wasn't one. But heres the thing, he has a on on his VW inscribed key, so it had to come with it right? so wheres the replacements?