Removal and installation
1. Disconnect the battery from the ground.
2. Remove steering column pads (see subsection 13.26).
3. Disconnect the connector from the ignition switch, unscrew the headless screw at the back of the switch, and remove the switch.
4. To remove the blocking lock assembly with the ignition switch, drill out two shear screws (indicated by arrows) and remove both halves of the lock from the column. The blocking lock has a non-separable design.
5. Assembly is carried out in the reverse order.
6. Install new screws and tighten until the heads break off.