another try. "Cannot access attachments upload path!" when attaching pic. The same for avatar, hmm.
For the records, I couldn't find a how to quickly:
I've been successful removing the ignition lock. But there is no way/opening to push from the inner side. At the end the only possibility I saw is coming from the "key in lever". There is a small metal plate at the bottom which is pressed by the housing. I removed it carefully, then the lever comes out and the broken key can be pushed from the opened "key in lever" side easily. Pic not uploadable.
I will put paperclips in the car too. Lessons learned.