GM Service Manual Online
For 1990-2009 cars only

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom.

    â€¢  Lock System Does Not Unlock
    â€¢  Lock System Does Not Lock
    â€¢  Ignition Key Cannot Be Removed from the Ignition Lock Cylinder
    â€¢  Ignition Key Cannot Turn or Sticks in Any Position
    â€¢  Noise in Steering Column
    â€¢  Looseness in Steering Column