Lots of times these VW key's won't turn, or if they do they get stuck in the on position. This is how you remove an ignition lock assembly and then disassemble. From here I believe you can put it back in. Not terribly hard.
2012 VW Jetta Mk6 Ignition Switch Removal
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https://youtu.be/y0YSIiZ6rME?si=qRd2GNjY-Y-zEgM3
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