Chevrolet Silverado: Warning Lights, Gauges, and Indicators / Traction Control System (TCS)/Electronic Stability Control Light

If equipped, the Electronic Stability Control (ESC) or TCS indicator/warning
light comes on briefly when the engine is started.
If the light 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 is on and not flashing, the TCS, and potentially the ESC system
have been disabled.
If the indicator/warning light is on and flashing, the TCS and/or the ESC system
is actively working.
See Traction Control/Electronic Stability Control.
Trailer Sway Control Light (Uplevel Cluster)

This light will flash when Trailer Sway Control is active. See Trailer Sway Control
(TSC).
This light comes on briefly while starting the engine. If it does not, have the
vehicle serviced by your dealer. If the system is working normally, the indicator
light then turns off...
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...
Other information:
Warning
Children could be seriously injured or killed if caught in the path of
a closing window. Never leave the Remote Keyless Entry (RKE) transmitter or keys
in a
vehicle with children. When there are children in the rear seat, use the window
lockout button to prevent operation of the windows...
This maintenance section applies to vehicles with a gasoline engine. For diesel
engine vehicles, see "Maintenance Schedule" in the Duramax diesel supplement.
Your vehicle is an important investment. This section describes the required
maintenance for the vehicle...