Vauxhall vectra ignition

[Dougbish]

Hi i have a vauxhall vectra Mk2 indicator switch problem I have got one from a nother vectra Mk2 but no key can I get the ignition barrel out with the ignition on o any help appreciated thanks 

[Vauxhall Owners Club]

It may be difficult to remove the barrel without the key unless you remove the whole lock assembly by removing the two blind screws (with missing heads) underneath the unit