What size socket is required to remove the upper and lower cover to access the ignition switch?

Turns out I have a worn-down actuator, I changed the switch and in the course of doing so found the path of the seatbelt dinging. Now I need to change the actuator as sometimes it doesn't fall back far enough to enable the temp and fuel level gauge, and sometimes when i'm driving the engine will shut off and I have to wiggle the key to get it to come back on, which is kind of dangerous.

I still have to do something with the actuator itself because it has worn thin, which is what caused the original problem, the slot in the original switch is worn on the outside edge and the actuator has too much slop, (not thick enough), to engage as it should. There doesn't seem to be a lot/any actuators available. It's pot metal so soldering it to make it thicker is out of the question. Maybe I could glue a piece of shim stock to it?

I'm not sure if the reply went through, here is another image.

I've circled where it has worn. It is no longer thick enough to fully engage the slot in the switch before it starts to turn. I have already changed the switch as the hole the actuator engages is eat up.

It is obsolete, and the only source I can find is Clockspring Experts, but even they aren't sure it'll work. I'd like to put an off/run/start switch, like on a Hammond B-3, and not worry about the anti-theft feature.

Is there another version of this drawing? My ignition switch has five terminals: (SR-P-R/S-S-B), but the ignition switch in the partial drawing above has eleven terminals. Mine is an 07 PT Cruiser with an automatic transmission and the ignition switch is peculiar to 2007/2008, different from preceding and years that followed, or am I missing something?

Looking through prior exchanges. I jumped in on a thread instead of starting a new one, sorry "bout that and thanks. Seems like that rod at the end of the actuator pokes through and closes a contact at the very end of the switch itself. Thank you, sorry for the confusion.

I went to the dealer today and had him make me a key off the VIN, now I can rotate the cylinder to take it out.