1998 Buick Century Owner's Manual - Page 121

Dome Lamp The dome lamp will come on when you open the doors. Retained Accessory Power Equipped) (If With retained accessory power, your power windows, audio system and sunroof will continue towork up to 10 minutes after theignition key is turned to OFF and none of the doors are opened. Battery Rundown Protection Your vehicle has a feature to help prevent from you draining the battery in case accidentally leave the you 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 ignitionis in OFF. The lampswon't come backon again until you: Turn the ignition on, Turn the lamp switch off, then on; or Open a door. Note that if your vehicle has lessthan 15 miles (25 km) on the odometer,the battery saver will turn off the lamps after only three minutes. Mirrors Adjust all the mirrors so you can see clearly when you are sittingin a comfortable driving position. Inside Day/Night Rearview Mirror To reduce glarefrom lamps behind you, pull the lever at the bottom of the mirror toward you (to thenight position). To return the mirror back to the day position, push the leveraway from you.