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:
Warning
It is extremely dangerous to ride on the tailgate, even when the vehicle
is operated at low speeds. People riding on the tailgate can easily lose their balance
and fall in response to vehicle maneuvers. Falling from a moving vehicle may result
in serious injuries or death...
The engine air cleaner/filter is on the driver side of the engine compartment.
See Engine Compartment Overview.
When to Inspect the Engine Air Cleaner/Filter
If the vehicle is not equipped with the engine air filter life system see Maintenance
Schedule for intervals on inspecting and replacing the engine air cleaner filter...
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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