Electronic Column Lock Assembly
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, and 2002 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For adjustment procedure, see ELECTRONIC COLUMN LOCK ASSEMBLY
under REMOVAL & INSTALLATION.