1998 GMC Envoy Owner's Manual - Page 100

Interior Lamps Brightness Control Rotate the thumbwheel next to the headlampswitch up to make your instrumentpanel lights brighter. Turn the switch all the way up to turn on the interior lamps. Front Reading Lamp? Press the button near each lamp on the overhead console to turn the reading lamps on and off. The lamps can be swiveled to point in the desired direction. If you have the mini console, press the lens on each lamp to turn it on or off. Exit Lighting With exit lighting, the interior lamps will come on when you remove the key from the ignition. These lights will stay on for a short period of time and then will go out. Dome Lamps The dome lamps will come on when you open the doors. You can also turn the dome lamps on by rotating the thumbwheel, located next to the parking/headlamps knob, all the way LIP. In this position, the dome lamps will remain on whether the doors are opened or closed. Illuminated Entry Your vehicle is equipped with an illuminated entry feature. When the doors are opened, the dome lamps will come on if the DOME OVERRIDE button is out. When all the doors are closed, or thefront door handles are lifted and released, the lamps will stay on for a short period of time and will then go out. If the dome lamp button is pressed in, the lamps will go out immediately. 2-39