GMC Sierra Denali 2009 Owner's Manual page 209

SERVICE BRAKES SOON
This message displays if there is a problem with the
brake system. If this message appears, stop as soon as
possible and turn off the vehicle. Restart the vehicle
and check for the message on the DIC display. If
the message is still displayed or appears again when
you begin driving, the brake system needs service. See
your dealer/retailer.
SERVICE PARK ASSIST
On vehicles with the Ultrasonic Rear Parking Assist
(URPA) system, this message displays if there is
a problem with the URPA system. Do not use this
system to help you park. See Ultrasonic Rear Parking
Assist (URPA) on page 2-42 for more information.
See your dealer/retailer for service.
SERVICE STABILITRAK
If your vehicle has StabiliTrak
displays, it means there may be a problem with the
StabiliTrak system. If you see this message, try to reset
the system. Stop; turn off the engine for at least
15 seconds; then start the engine again. If this message
still comes on, it means there is a problem. You
should see your dealer/retailer for service. The vehicle
is safe to drive, however, you do not have the benefit
of StabiliTrak, so reduce your speed and drive
accordingly.
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and this message
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/retailer before turning off the engine. See
®
PASS-Key III+ Electronic Immobilizer Operation on
page 2-19 for more information.
SERVICE TIRE MONITOR SYSTEM
This message displays if a part on the Tire Pressure
Monitor System (TPMS) is not working properly. The tire
pressure light also flashes and then remains on during
the same ignition cycle. See Tire Pressure Light on
page 3-41. Several conditions may cause this message
to appear. See Tire Pressure Monitor Operation on
page 5-73 for more information. If the warning comes on
and stays on, there may be a problem with the TPMS.
See your dealer/retailer.
SERVICE TRACTION CONTROL
If your vehicle has StabiliTrak, this message displays
when there is a problem with the Traction Control
System (TCS). When this message displays, the system
will not limit wheel spin. Adjust your driving accordingly.
See your dealer/retailer for service. See StabiliTrak
System on page 4-6 for more information.
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