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:
Seat belts help keep the passenger in position on the seat during vehicle maneuvers
and braking, which helps the passenger sensing system maintain the passenger airbag
status. See “Seat Belts” and “Child Restraints” in the Index for additional information
about the importance of proper restraint use...
Emergency Services require an active safety and security plan. With Automatic
Crash Response, built-in sensors can automatically alert a specially trained OnStar
Advisor who is immediately connected in to the vehicle to help.
Press for a priority connection
to an OnStar Advisor who can contact emergency service providers, direct them to
your exact location, and relay important information...