How do you replace igintion on 2006 GMC Sierra?

To replace the ignition switch on a 2006 GMC Sierra, first disconnect the battery to ensure safety. Remove the steering column cover by unscrewing the screws and gently prying it apart. Then, locate the ignition switch, disconnect the wiring harness, and remove the mounting screws to take out the old switch. Install the new ignition switch by reversing these steps, reconnecting the wiring harness, and ensuring everything is secured before reconnecting the battery.