GM Service Manual Online
For 1990-2009 cars only
  1. Remove the turn signal switch assembly. Refer to Turn Signal and Multifunction Switch Assembly - Disassemble - Off Vehicle .

  2. Object Number: 343829  Size: SH
  3. Remove the buzzer switch assembly (3).
  4. Remove the lock retaining screw (2).
  5. Remove the retaining clip (4) with the steering column passkey lock cylinder set terminal connector (5)
  6. Remove the steering column passkey lock cyclinder set (1).

  7. Object Number: 343824  Size: SH
  8. Disconnect and pull the steering column pass key lock cylinder set terminal connectors through the column.