2005 Hummer H2 Owner's Manual - Page 157

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 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 has reading lamps located in the overhead console. Press the button located next to the lamp to turn it on. The lamps can be adjusted to point in the direction you want. Press the button again to turn the lamp off. These lamps will also come on with the dome lamps. Battery Run-Down Protection This feature shuts off the dome lamps if they are left on for more than 10 minutes when the ignition is in lock. This will keep your battery from running down. 3-17