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:
Danger, Warning, and Caution
Warning messages found on vehicle labels and in this manual describe hazards
and what to do to avoid or reduce them.
Danger
Danger indicates a hazard with a high level of risk which will result in
serious injury or death...
The following services help with staying connected.
For coverage maps, see www.onstar.com (U.S.) or www.onstar.ca (Canada).
Ensuring Security
Change the default passwords for the Wi-Fi hotspot and myChevrolet mobile application.
Make these passwords different from each other and use a combination of letters
and numbers to increase the security...