the problem around here is to get the steering wheel puller. Without it your are probably braking your wheel in half.
As this thread is useless without pics, I link you to my homepage
http://gm-alero.de/83/airbag-lenkrad -- this one is about the Airbag (disregard the pics later on, about the steering sensor and shavings)
or this is how I fixed a broken mount for the horn contact
http://gm-alero.de/84/reparatur-hupenkontakt