UK Car Repair Questions? Ask a Mechanic for Answers ASAP
With the key in ignition turn to position one & then push little button under barrel sleeve.
Sorry thought you were trying to remove ign barrel.
The door barrel should come out without key but its a major strip.
If you have the horseshoe clip off it should come out, that holds it in.
A light tap could be needed. But thats youre decision sorry.