2005 Chevrolet Avalanche Owner's Manual - Page 174

Dome Lamps The dome lamps will come on when you open a door or the midgate, if equipped, and will turn off when all doors or midgate are closed. You can also turn the dome lamps on by turning the thumbwheel, located next to the exterior lamp control, all the way up. In this position, the dome lamps will remain on whether a door is opened or closed. Reading Lamps If your vehicle has reading lamps, press the button located next to the lamp to turn it on or off. The lamps can be adjusted to point in the direction you want. E (Dome Override): Press this button, located below the exterior lamp control, to turn dome lamps off even while a door is opened. To return the lamps to automatic operation, press the button again and it will return to the out position. In this position, the dome lamps will come on when you open a door. Entry/Exit Lighting Your vehicle is equipped with an illuminated entry/exit feature. When a door is opened or the key is removed from the ignition, the dome lamps will come on if the dome override button is in the out position. Your vehicle may also have reading lamps in other locations. To turn on or off, press the button located next to the lamp. The lamps cannot be adjusted. 3-18