GMC 2011 Sierra - Manual (Page 196)

Black plate (48,1) GMC Sierra Owner Manual - 2011
5-48 Instruments and Controls
There are several conditions that
can cause this message to appear.
. If the vehicle is overheating,
which could occur if StabiliTrak
activates continuously for an
extended period of time.
. If the brake system warning
light is on. See Brake System
Warning Light on page 5‑27.
. If the stability system takes
longer than usual to complete its
diagnostic checks due to driving
conditions.
. If an engine or vehicle related
problem has been detected
and the vehicle needs service.
See your dealer.
. If the vehicle is shifted into 4LO.
The message turns off as soon
as the conditions that caused the
message to be displayed are no
longer present.
TRACTION CONTROL OFF
If the vehicle has StabiliTrak, this
message displays when the Traction
Control System (TCS) is turned off.
Adjust your driving accordingly. See
StabiliTrak
® System on page 9‑70
for more information.
Airbag System Messages
SERVICE AIR BAG
This message displays if there is
a problem with the airbag system.
Have your dealer inspect the
system for problems. See Airbag
Readiness Light on page 5‑20 and
Airbag System on page 3‑29 for
more information.
Anti-Theft Alarm System
Messages
SERVICE THEFT DETERRENT
SYSTEM
This message displays when there
is a problem with the theft-deterrent
system. The vehicle may or may not
restart so you may want to take the
vehicle to your dealer before turning
off the engine. See Immobilizer
Operation on page 2‑13 for more
information.
Starting the Vehicle
Messages
FAST IDLE ON
If your vehicle has this feature, this
message displays when the fast idle
feature is on. See Fast Idle System
on page 9‑39 for more information.