2004 GMC Yukon Owner's Manual - Page 177

Front Reading Lamps The reading lamps are located on the overhead console. To turn on the reading lamps, press the button located next to each lamp. To turn them off, press the button again. The lamps can be adjusted to point in the direction you want. Your vehicle may also have reading lamps in other locations. To turn the lamps on or off, press the button located next to the lamp. The lamps are fixed and cannot be adjusted. 3-19