When it is dark enough outside, the exterior lamps will come on automatically. When it is bright enough outside, the exterior lamps will turn off and the DRL will turn on. Of course, you may still turn on the headlamps any time you need to.

If you start your vehicle in a dark garage, the automatic headlamp system will come on immediately. Once you leave the garage, it will take approximately

30 seconds for the automatic headlamp system to change to DRL if it is light outside. During that delay, your instrument panel cluster may not be as bright as usual. Make sure your instrument panel brightness control is in the full bright position. See Instrument Panel Brightness on page 3-17.

To idle your vehicle with the DRL and automatic headlamps off, toggle the exterior lamp control to off after starting the vehicle.

As with any vehicle, you should turn on the regular headlamp system when you need it.

Instrument Panel Brightness

The knob to adjust the instrument panel brightness is located in the center of the interior lamp controls.

Turn the knob clockwise to brighten the lights and counterclockwise to dim them.

3-17

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Buick 2006 manual Instrument Panel Brightness