Take a screwdriver on the front side of the knob, and there is a little clip that looks like a staple, just pry it out, and the knob should slide right off.
You put the vehicle in Neutral (please apply parking brake!!), press the button on the gear shift and pull straight up -- HARD! -- while in Neutral. It'll come right out. This is necessary for taking...
On pontiac grand am its very simple... on the front of the shifter closest to to radio there is a small metal piece down where the plastic meets the metal rod. it run side to side. use a small flat...
There is a small Allen-key hole in the base of the knob...you need the Allen keyfor the right size. You can probably force-rotate the knob so that the key-hole isplaced where you can undo it.
There is a small metal C clip on the front side of the knob. You can use a small flat head screwdriver to pry it off. Then twist and pull the knob right off. It takes some muscle.