Chevrolet 2009 Silverado 1500 Pickup Spezifikationen PDF herunterladen (Seite 204)

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Automatic Headlamp System

When it is dark enough outside, the automatic headlamp

system turns on the headlamps at the normal brightness,

along with the taillamps, sidemarker, parking lamps,

and the instrument panel lights. The radio lights will also

be dim.

To turn off the automatic headlamp system, turn the

exterior lamps switch to the off position and then release

it. For vehicles ﬁrst sold in Canada, the transmission

must be in the P (Park) position, before the automatic

headlamp system can be turned off.

The vehicle has a light sensor located on the top of the

instrument panel in the defroster grille that regulates

when the automatic headlamps turn on. Do not cover the

sensor or the headlamps will come on whenever the

ignition is on.

The system may also turn on the headlamps when

driving through a parking garage, heavy overcast

weather, or a tunnel. This is normal.

There is a delay in the transition between the daytime

and nighttime operation of the Daytime Running

Lamps (DRL) and the automatic headlamp systems

so that driving under bridges or bright overhead street

lights does not affect the system. The DRL and

automatic headlamp system is only affected when the

light sensor detects a change in lighting lasting

longer than the delay.

If the vehicle is started in a dark garage, the automatic

headlamp system will come on immediately. Once the

vehicle leaves the garage, it takes approximately

one minute for the automatic headlamp system to

change to DRL if it is bright enough outside. During that

delay, the instrument panel cluster may not be as

bright as usual. Make sure the instrument panel

brightness control is in the full bright position.

See Instrument Panel Brightness on page 3-20.

To idle the vehicle with the automatic headlamp system

off, turn the control to the off position.

The headlamps will also stay on after you exit the

vehicle. This feature can be programmed using the

Driver Information Center (DIC). See DIC Vehicle

Customization (With DIC Buttons) on page 3-76.

The regular headlamp system can be turned on when

needed.

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