2001 GMC Sierra 1500 Pickup Owner's Manual - Page 144

The fog lamps will be cancelled after the ignition is turned off. If you still want to use the fog lamps after you restart the vehicle, you will need to press the fog lamp switch again. Interior Lamps Instrument Panel Intensity Control The instrument panel intensity control is located to the right of the headlamp switch. Turn the thumbwheel up to adjust the instrument panel lights. To turn on the dome lamps (with the vehicle doors closed) turn the thumbwheel all the way up. Auxiliary Roof Mounted Lamp Switch (If Equipped) If your vehicle has this feature, this switch includes wiring provisions for a dealer or a qualified service center to install an auxiliary roof lamp. This switch is located on the center of the instrument panel near the comfort controls. Exit Lighting With exit lighting, the interior lamps will come on when you remove the key from the ignition. The lights will not come on if the DOME OVERRIDE button is pressed in. Illuminated Entry Your vehicle is equipped with an illuminated entry feature. When a door is opened, the dome lamps will come on if the DOME OVERRIDE button is in the "out" position. If the DOME OVERRIDE button is pressed in, the lamps will not come on. When the switch wiring is connected to an auxiliary roof mounted lamp, pressing the switch will activate the lamp and illuminate an indicator light near the button. Pressing the switch again will turn off the roof mounted lamp. If your vehicle has this switch, your vehicle may have the snow plow prep package. For further information see "Snow Plow Prep Package" in the Index. 2-61