2004 Pontiac Montana Owner's Manual - Page 199

Interior Lamps Instrument Panel Brightness The thumbwheel for this feature is located below the exterior lamps control. Turn the thumbwheel to the right to brighten the lights, or to the left to dim them. Interior Lamps Override This switch is located in the overhead console switchbank. Press the bottom of the switch to keep the interior lamps off while any door is open, or the top of the switch to allow the interior lamps to come on while any door is open. Interior Lamps Control Turn the thumbwheel all the way to the right to turn on the interior lamps, if the interior lamps override switch is off. Turn the thumbwheel to the left to turn the lamps off. Dome Lamp The dome lamp is located in the headliner and has two buttons to manually turn it on or off. The dome lamp will come on each time you open a door, unless you turn on the interior lamps override feature. See "Interior Lamps Override" earlier in this section. 3-17