that and most cars have a steering column lock that is requires the key to unlock... this is pretty hard to get around i did it once in my 91 chevy pickup and that was only because I could not figure out how to get the damn thing back together when i was fixing the tilt steering.
never again will I tear into a steering column they are the devil.
The older chebby tilts are easy - On the left side of the column where the turn signal switch is a funky little spring that needs a little manipulating...or so I heard.