Installation Procedure

Position the hole in the steering shaft in the center of the hole in the steering column jacket (2).
Insert the key. Turn the key to the ACC position or to the ON position.
Position the steering column lock and ignition switch cylinder on the steering column.
Turn the key to the LOCK position. Remove the key.
Place the hub of the lock in the hole in the steering shaft.
Rotate the steering shaft (1) in order to verify the steering shaft locks.

Fig 1: Identifying Steering Shaft Locking Position
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install 2 NEW steering column lock bolts to the steering column lock and ignition switch cylinder.
Tighten

Tighten the bolts until the bolt heads break off.
Insert the key. Turn the key to the ACC position or to the ON position.
Rotate the shaft in order to verify the shaft rotates smoothly.
Turn the key to the LOCK position. Remove the key.
Rotate the shaft in order to verify the shaft locks.

Fig 2: Installing Steering Column Lock Bolts
Courtesy of GENERAL MOTORS CORP.
If the vehicle has an automatic transmission, connect the automatic transmission park lock cable (2) to the steering column lock and ignition switch cylinder.
Install the screw (1).
Tighten

Tighten the screw to 2.2 N.m (19.5 lb in).
Connect the ignition switch connector.
Install the steering column trim covers. Refer to STEERING COLUMN TRIM COVERS REPLACEMENT .
Enable the SIR. Refer to DISABLING & ACTIVATING AIR BAG SYSTEM in SIR.

Fig 3: Installing Park Lock Cable
Courtesy of GENERAL MOTORS CORP.