2000 GMC Savana Van Owner's Manual - Page 118

yellowblue You can use the DOME OVERRIDE button, located below the headlamp knob, to set the dome lamps to automatically come on when the doors are open, or to remain off. If the DOME OVERRIDE button is pushed in, the dome lamps will not come on. If the DOME OVERRIDE button is out, your interior lamps will work as usual. If the button is pressed in, the interior lamps will not come on when any of the vehicle's doors are open. This feature is helpful when you want to leave your door(s) open for an extended period of time and do not want to run the battery down. The button is located next to the lamp switch. If your vehicle has reading lamps, press the button next to the lamp to turn the lamp on or off. Reading Lamps (Option) 2-42