Stabilitrak® system, Stabilitrak, System – Hummer 2007 H3 User Manual
Page 244

StabiliTrak
®
System
Your vehicle has a vehicle stability enhancement
system called StabiliTrak
®
. It is an advanced
computer controlled system that assists you with
directional control of the vehicle in difficult
driving conditions.
StabiliTrak
®
activates when the computer senses
a discrepancy between your intended path and
the direction the vehicle is actually traveling.
StabiliTrak
®
selectively applies braking pressure at
any one of the vehicle’s brakes to assist the driver
with keeping the vehicle on the intended path.
When you first start your vehicle and begin to drive
away, the system performs several diagnostic
checks to insure there are no problems. You may
hear or feel the system working. This is normal and
does not mean there is a problem with your vehicle.
If there is a problem detected with StabiliTrak
®
,
a SERVICE STAB SYS message will be displayed
on the Driver Information Center (DIC). See
DIC Warnings and Messages on page 196 for
more information. When this message is displayed,
the system is not operational. Adjust your driving
accordingly.
StabiliTrak
®
comes on automatically whenever you
start your vehicle. However, when the transfer
case is placed in Four-Wheel-Low Lock mode,
StabiliTrak
®
is automatically disabled. See
Full-Time Four-Wheel Drive on page 111 for more
information. To help assist you with directional
control of the vehicle, you should always leave the
system on. You can turn StabiliTrak
®
off if you
ever need to using the TC (traction control) on/off
button. If you press and hold the TC button for
five seconds, the StabiliTrak
®
system and
the traction control system will turn off. When this
is done, the STAB SYS OFF message will be
displayed on the DIC. Press the TC button again
to turn StabiliTrak
®
back on. See Traction
Control System (TCS) on page 241.
If your vehicle is in cruise control when the
StabiliTrak
®
activates, the cruise control will
automatically disengage. When road conditions
allow you to safely use it again, you may reengage
the cruise control. See “ Cruise Control on
page 159 for more information.
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