How do you remove the ignition switch in a 1990 Pontiac Grand Am?

The knob you pull out is attached to the switch. To get the switch out, you will have to remove the panel underneath the dash, and some of the HVAC ductwork that runs underneath. Disconnect the battery. On the back of the switch, under the dash, there will be a little button you will have to push in to get the switch's shaft & knob to release from the switch. After that is done, you will be able to pull off the trim going around the face of the dash. It should just snap on. Then there will be a nut holding the switch to the dash. Remove the nut, the switch will come out the back, and then you can unplug it. Replace in reverse of these directions, only leave the swith shaft/knob for last. It will just push back into the new switch.