1997 GMC Suburban Owner's Manual - Page 117

Dome Lamps The dome lamps will come on when you open the doors. You can also turn the dome lamps on by rotating the thumb wheel, located next to the parkingheadlamps switch knob, all the way up to the second notch. In this position, the dome lamps will remain on whether the doors are opened or closed. switch button once. With the switch button in this position, the dome lamps will remain off when the doors are open. To return the lamps to automatic operation, press the switch button again and return it to the "out" position. With the button in this position, the dome lamps will come on when you open the door. Reading Lamps If your vehicle has reading lamps, press the button next to thelamp to turn the lamp on. The lamps can be adjusted to point in the direction you want. Press the button again to turn the lamp off. If your vehicle has an overhead console with reading lamps, press the button next to the lamp to turn the lamp on. The lamps can be adjusted to point in the direction you want. Press thebutton again to turn the lamp off. You can use the DOME OVERRIDE button, located below the parkingheadlamp knob, to the dome set lamps to come on automatically when the doors are opened, or remain off. To turn the lamps off, press the