GM Service Manual Online
For 1990-2009 cars only

Problem

Action

The following components may be damaged:

  1. The ignition switch
  2. The lock cylinder
  3. The park lock cable
  1. Inspect the components.
  2. Replace the components as needed. Refer to Ignition and Key Alarm Switch Assembly - Disassemble - Off Vehicle or Ignition and Key Alarm Switch Assembly - Assemble - Off Vehicle or Steering Column Lock Cylinder Set - Disassemble - Off Vehicle or Steering Column Lock Cylinder Set - Assemble - Off Vehicle .

The ignition key is worn or damaged.

  1. Inspect the ignition key.
  2. Replace the ignition key as necessary.