1999 Buick LeSabre Owner's Manual - Page 101

yellowblue Rear Reading Lamps (If Equipped) If the feature is enabled for the interior and exterior lamps, all lamps should turn off at approximately the same time. Mirrors Day/Night Manual Rearview Mirror With Integral Reading Lamps The lamp, switch and a coat hanger are above each rear door. Slide the switch to turn the lamp on or off. Battery Rundown Protection This feature automatically turns off the interior lamps if any are left on for more than 10 minutes when the ignition is off or a door is left open. This will keep your battery from running down. This feature also shuts off the exterior lamps if they are left on for more than 10 minutes when the ignition is OFF. You may override this feature for the exterior lamps by turning the lamps off and then back on after the ignition is turned to OFF. If you do this, the exterior lamps will stay on until you manually turn them off. 2-45