How to Set the Interior Light Dimmer on a 2004 Trailblazer
- 1). Turn on the TrailBlazer's ignition, and turn on the headlights.
- 2). Locate the interior light dimmer knob. It is the knob next to the headlight switch with a picture of a small light bulb on it.
- 3). Press the interior light dimmer knob so it pops outward, if needed.
- 4). Twist the bulb until you achieve the desired brightness of the interior lights --- clockwise brightens the lights and counterclockwise dims the lights.
- 5). Press the knob inward to lock it in place after completing your adjustment of the lights.
- 6). Turn the TrailBlazer off.
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