Chevrolet Silverado: Warning Lights, Gauges, and Indicators / Security Light

The security light should come on briefly as the engine is started. If it does
not come on, have the vehicle serviced by your dealer. If the system is working
normally, the indicator light turns off.
If the light stays on and the engine does not start, there could be a problem
with the theft-deterrent system. See Immobilizer Operation.
This light is near the fuel gauge and comes on briefly when the ignition is turned
on as a check to show it is working.
It also comes on when the fuel tank is low on fuel...
This light comes on when the high-beam headlamps are in use. See Headlamp High/Low-Beam
Changer.
IntelliBeam Light
This light comes on when the IntelliBeam system, if equipped, is enabled...
Other information:
GM collects information about the use of your vehicle including operational and
safety related information. We collect this information to provide, evaluate, improve,
and troubleshoot our products and services and to develop new products and services...
This light comes on briefly while starting the engine. If it does not, have the
vehicle serviced by your dealer.
This light comes on when the ESC system is turned off. If ESC is off, the Traction
Control System (TCS) is also off.
If the ESC and TCS are off, the system does not assist in controlling the vehicle...
Categories
Warning
Never leave a child, a helpless adult, or a pet alone in a vehicle, especially
with the windows closed in warm or hot weather. They can be overcome by the extreme
heat and suffer permanent injuries or even death from heat stroke.

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