Traction Control System (Tcs)/Stabilitrak Light; Tire Pressure Light - GMC 2012 Sierra Denali Owner's Manual

Traction Control System
(TCS)/StabiliTrak
The TCS/StabiliTrak light comes on
briefly when the engine is started.
If the light does not come on or
stays on, have the vehicle serviced
by the dealer. If the system is
working normally, the indicator light
turns off.
If the light comes on and stays on
while driving, and a message
displays in the Driver Information
Center (DIC), have the vehicle
serviced by the dealer. See
for more information.
If the light flashes while driving, this
means that StabiliTrak or TCS is
®
Light
assisting in controlling the vehicle.
See

Tire Pressure Light

For vehicles with the Tire Pressure
Monitor System (TPMS), this light
comes on briefly when the engine is
started. It provides information
about tire pressures and the TPMS.
When the Light Is On Steady
This indicates that one or more
of the tires are significantly
underinflated.
Instruments and Controls
for more information.
A Driver Information Center (DIC)
tire pressure message may also
display. See
for more information.
Stop as soon as possible, and
inflate the tires to the pressure value
shown on the Tire and Loading
Information label. See
for more information.
When the Light Flashes First and
Then Is On Steady
If the light flashes for about a minute
and then stays on, there may be a
problem with the TPMS. If the
problem is not corrected, the light
will come on at every ignition cycle.
See
more information.
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