2004 Buick Rainier Owner's Manual - Page 125

Interior Lamps Instrument Panel Brightness Press the knob located next to the exterior lamps knob to extend it. Dome Lamp Override The dome override button is located below the exterior lamps knob. Turn the knob to adjust the instrument panel lights. Turn the knob all the way up to turn on the interior lamps. Press the knob back into its stored position when you're not using it. To turn the dome lamps off, press the button. The dome lamps will remain off when a door is open. This will override the illuminated entry feature unless you use your keyless entry transmitter to unlock the vehicle. To return the lamps to automatic operation, press the button again. The dome lamps will come on when you open a door. 3-17