For 1990-2009 cars only
The dome lamp override button is located next to the exterior lamps control.
The dome lamp override sets the dome lamps to remain off or come on automatically when a door is opened.
(Dome Lamp Override): Press the button in and the dome lamps remain off when a door is opened. Press the button again to return it to the extended position so that the dome lamps come on when a door is opened.