im having problems with my combination switch.

when i "try" to turn the car off the engine stays running even when removing the keys!

i started to take out the interior on my parts car and since i still have both keys i might as well remove the lock set to replace whats currently in my running car.

heres my question before i try anything just to make sure i did everything i could to save the entire lock set on my parts car as a "just-in-case" measure

and how do i remove the combo switch cause i dont see any screws or bolts...