They unscrew.

So you have to pull them out, then hold the stem to unscrew the knobs.

You probably also have to remove the four screws that hold the
faceplate of that plastic console as well, becuase there is a bar that
holds the whole mechanisim to the firewall behind.

Chris

On 6/22/06, Jeffrey Tschumperlin <jkt.register@gmail.com> wrote:
> I need to remove these knobs to get to the heater deflector as I want to
> install some marine cup holders on it.  Do they just pull off?  I tried that
> and didn't seem to budge.  Any recommendations would be greatly appreciated.
>
> JT
>