2005 Chevrolet Silverado 3500 Pickup Owner's Manual - Page 181

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 button again. Instrument Panel Brightness D (Instrument Panel Brightness): This feature controls the brightness of the instrument panel lights. The thumbwheel for this feature is located next to the headlamp control. Turn the thumbwheel up to adjust the instrument panel lights. Turn the thumbwheel up to return the radio display to full brightness when the headlamps or parking lamps are on. To turn on the dome lamps, turn the thumbwheel all the way up. Auxiliary Roof Mounted Lamp 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 climate controls. Dome Lamps The dome lamps will come on when you open a door. You can also turn the dome lamps on by turning the thumbwheel, located next to the exterior lamps control, all the way up. In this position, the dome lamps will remain on whether a door is opened or closed. 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 switch. Pressing the switch again will turn off the roof mounted lamp. 3-17