2003 Buick Century Owner's Manual - Page 124

Delayed Exit Lighting This feature illuminates the interior for a period of time after the ignition key is removed from the ignition. The ignition must beoff for delayed exit lighting to work. When the ignition key is removed, interior illurninationwill activate and remain on one of the following occurs: until The ignition is in RUN, or the power door locks are activated, or an illumination period of 25 seconds has elapsed. If during the illumination period a door is opened, the timed illumination period will be canceled and the interior lamps will remain on. Dome Lamp The dome lamp will come on when you open a door. Battery Rundown Protection Your vehicle has a feature to help prevent you from draining the battery in case you accidentally leave the interior courtesy lamps, reading/map lamps, visor vanity lamps, trunk lamp, underhood lamp or glove box lamps on. If you leave any of these lamps on, they will automatically turn off after 20 minutes, if the ignition is in OFF. The lamps won't come back on again until you do one of the following: 0 Turn the ignition on, turn the exterior lamps control off, then on, or open a door. If your vehicle has less than 15 miles (25 km) on the odometer, the battery saver will turn off the lamps after only three minutes. Reading Lamps The reading lamps are located on the underside of the rearview mirror. Use thebutton next to each lamp to turn them on andoff. 3-15