Grand Prix V8-5.3L (2007)
10. Depress and hold the detent on the bottom of the ignition switch in order to release the ignition lock cylinder. Remove the ignition lock cylinder
with the key.
11. Remove the key from the lock cylinder.
12. Disengage the theft deterrent reader/exciter module retainers (1,2).Remove the theft deterrent reader/exciter module (3) from the lock cylinder
housing.
13. Remove the lock cylinder.
14. If the cylinder does not rotate, follow the procedure in the ignition switch replacement.
INSTALLATION PROCEDURE
1. Code the ignition lock cylinder , if necessary. Refer to Key and Lock Cylinder Coding.
2. Slide the theft deterrent reader/exciter module (3) onto the ignition lock cylinder housing. Verify that the retainers (1,2) are engaged.
3. Insert the key to the lock cylinder.
