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:
Voice Command Button
Blue OnStar Button
Red Emergency Button
This vehicle may be equipped with a comprehensive, in-vehicle system that can
connect to an OnStar Advisor for Emergency, Security, Navigation, Connections, and
Diagnostics Services...
If equipped with the remote start feature, the climate control system will come
on when the vehicle is started remotely, depending on the outside temperature.
The rear defog and heated and ventilated seats, if equipped, may also come on.
See Heated and Ventilated Front Seats and Vehicle Personalization...