Ignition Problems

Hello I have a sunfire but I know most of the parts are interchangable. I cant turn my key in the ignition. Im trying to rplace it but I cant turn the key. Ive read somewhere that there is away to remove the tumbler without turning the key. They said I had to pry up a metal button on the switch it self. If anyone has any information can you please give to me thank you for your help.