How do you change the brake light switch on a 1999 Toyota Avalon?

To change the brake light switch on a 1999 Toyota Avalon, first, disconnect the negative battery terminal to ensure safety. Locate the brake light switch, which is usually mounted near the top of the brake pedal assembly. Unplug the electrical connector and remove the switch by turning it counterclockwise. Install the new switch by reversing these steps, ensuring it is properly adjusted to activate when the brake pedal is pressed.