wel no easy way to tell you might try typing
repair manual 1985 buick skylark PDF
and find a online manual or by typing
how to remove steering colum
how to remove steering colum 1985 buick skylark
but there will be bolts under dash holding it up an da few wires to remove and under hood along the shaft wil be a couple more bolts i would also type
how to remove steering wheel
how to remove steering wheel 1985 buick skylark
any of these might help you work it out not real hard but then its not easy either