2006 Buick Terraza Owner's Manual - Page 156

Interior Lamps Control The interior lamp control is located to the right of the exterior lamp controls on the instrument panel to the left of the steering column. R (Interior Lamp Override): Turn the outer knob to this position to have your interior lamps remain off while any door is open. 1 (Door): Turn the outer knob to this position to turn the interior lamps on while any door is open and when the ignition key is removed from the ignition. + (Interior Lamps): Turn the outer knob to this position to turn the interior lamps on. Turn the inner knob to adjust the instrument panel brightness, described earlier in this section. 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 Control on page 3-18. 3-18