2003 Buick Park Avenue Owner's Manual - Page 143

Front Reading Lamps Rear Reading Lamps The front reading lamps, located on the headliner, and the interior courtesy lamps will come on when you open a door. They will turn off when you turn on the ignition. To turn on the front reading lamps when the doors are closed, press the button behind the lamp you want to turn on. Press it again to turn the lamp off. These lamps work even when the ignition is off. To turn on a rear reading lamp, press the button above that rear door. To turn off the reading lamp, press the button again. 3-18