Table of Contents
Advertisement
GMC Sierra Denali 2500HD and 3500HD (GMNA-Localizing-U.S./Canada-
7142957) - 2014 - CRC 1st Edition - 3/28/13
limit wheel spin and realize the full
benefits of the stability
enhancement system, you should
normally leave StabiliTrak on.
However, you should turn
StabiliTrak off if the vehicle gets
stuck in sand, mud, ice, or snow
and you want to rock the vehicle to
attempt to free it, or if you are
driving in extreme off-road
conditions and require more wheel
spin. See If the Vehicle Is Stuck on
page 9-13. To turn the StabiliTrak
system on or off, see StabiliTrak
System on page 9-42.
STABILITRAK OFF may also
display when the stability control
has been automatically disabled.
There are several conditions that
can cause this message to appear.
One condition is overheating,
which could occur if StabiliTrak
activates continuously for an
extended period of time.
The message also displays if the
brake system warning light is on.
See Brake System Warning
Light on page 5-22.
The message could display if the
stability system takes longer
than usual to complete its
diagnostic checks due to driving
conditions.
The message displays if an
engine or vehicle related
problem has been detected and
the vehicle needs service. See
®
your dealer.
The message turns off as soon as
the conditions that caused the
message to be displayed are no
longer present.
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.
Black plate (41,1)
Instruments and Controls
See Airbag Readiness Light on
page 5-18 and Airbag System on
page 3-18 for more information.
Security 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 2-11 for more
information.
Tire Messages
SERVICE TIRE MONITOR
SYSTEM
If your vehicle has the Tire Pressure
Monitor System (TPMS), this
message displays if a part on the
system is not working properly. The
tire pressure light also flashes and
then remains on during the same
ignition cycle.
5-41
Advertisement
Chapters
Table of Contents
