How do you change an ignition switch on a 1998 Toyota Avalon?

To change the ignition switch on a 1998 Toyota Avalon, first disconnect the battery to ensure safety. Remove the steering column cover by unscrewing the screws and gently prying it off. Locate the ignition switch, disconnect the wiring harness, and unscrew the switch from its mounting. Install the new ignition switch by reversing these steps, ensuring everything is securely reconnected before reassembling the steering column and reconnecting the battery.