1996 GMC Suburban Owner's Manual - Page 102

Interior Lamps Instrument Panel Intensity Control Rotate the thumb wheel up to adjust the instrument panel lights. Rotate the thumb wheel up to the first notch to return the radio display and gear shift indicator LED display to full intensity when the headlamps or parking lamps are on.To turn on the dome lamps (with the vehicle doors closed)rotate the thumb wheel up to the second notch position. 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 parkingheadlamp knob, all the way up to the second notch. In this position, the dome lamps will remain on whether the doors areopened or closed. You can use the dome lamp button, located below the parkingjheadlamp knob, to set the dome lamps to come on automatically when the doors are open, or remain off. To turn the lamps off, press the button once. With the button in this position, the dome lamps will remain off when the doors are open. To return the lamps to automatic operation, press the 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. Illuminated Entry Your vehicle may be equipped with an illuminated entry feature. When the doors are opened, the dome lamps will come on if the dome lamp button is in the out position. When all doors areclosed or the dome lamp button is pressed in, the lamps will stay on for a short period of time and will then go out. 2-38