2014 Cadillac XTS Owner Manual - Page 173

Lighting To change the dome lamp settings, press: OFF: Turns the lamp off, even when a door is open. DOOR: The lamp comes on when a door is opened. ON: Turns the lamp on. 6-7 Reading Lamps There are reading lamps on the overhead console and over the rear passenger doors. These lamps come on automatically when any door is opened. To manually turn the reading lamps on or off: Press the button near the rear passenger reading lamps. Press m or n next to each overhead console reading lamp.