2007 Chevrolet TrailBlazer Owner's Manual - Page 116

Interior Lamps Brightness Control Press the knob located next to the exterior lamps knob to extend and turn it to make your instrument panel lights brighter. Turn the knob all the way up to turn on the interior lamps. Press the knob back into its stored position. To turn the lamps off press the button. The dome lamps will remain off when a door is open. To return the lamps to automatic operation, press the button again. The dome lamps will come on when you open a door. This will override the illuminated entry feature unless you use your keyless entry transmitter to unlock the vehicle. Press the dome lamp override button four times to override the automatic headlamps and Daytime Running Lamps (DRL). Illuminated Entry Your vehicle is equipped with an illuminated entry feature. When a door is opened, the dome lamps will come on if the dome override button is in the "out" position. When all the doors are closed, the lamps will stay on for a short period of time and will then turn off automatically. If you use your keyless entry transmitter to unlock the vehicle, the interior lights will come on for a short time whether or not the dome override is on. Dome Lamp Override You can use the dome override button, located below the exterior lamps knob, to set the dome lamps to come on automatically when a door is opened, or to remain off. 2-47