GM Service Manual Online
For 1990-2009 cars only
  1. Remove the lock module assembly. Refer to Electronic Column Lock Module - Disassemble - Off Vehicle .
  2. Remove the turn signal and multifunction switch assembly only. Refer to Turn Signal and Multifunction Switch Assembly - Disassemble - Off Vehicle .

  3. Object Number: 664269  Size: SH
  4. Slide the turn signal switch housing off of the steering column shaft assembly.