Squeaking from the steering wheel?

[USMC_315]

I've noticed after driving with the windows closed and the radio and air off, that a high pitched squeak comes from the steering wheel when I'm making turns with it. It's quiet enough that if you put the air on "4" then you can't hear it, but for me this can't continue. It's like chinese water torture to me.

I realize that it's not a huge issue, but I need to get this straightened out or Ima go nuts. Any help to fix this issue would be great!