Owner’s Manual

Black plate (35,1)
GMC Savana Owner Manual - 2013 - 2nd Edition - 9/25/12
Instruments and Controls 5-35
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 99. To turn the StabiliTrak
system on or off, see StabiliTrak
®
System on page 932.
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 520.
.
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. See Airbag
Readiness Light on page 514 and
Airbag System on page 316 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 211 for more
information.
WAIT TO START
This message displays briefly when
the theft-deterrent system has
initially found incorrect conditions
within the vehicle and is making a
double check. If your vehicle does
not start soon after, try to start it
again. If it still does not start, have
your vehicle serviced by your
dealer.
Service Vehicle Messages
SERVICE A/C SYSTEM
This message displays when the
electronic sensors that control the
air conditioning and heating
systems are no longer working.
Have the climate control system
serviced by your dealer if you notice
a drop in heating and air
conditioning efficiency.