2011 GMC SIERRA 1500 service reset

Black plate (28,1)GMC Sierra Owner Manual - 2011
5-28 Instruments and Controls
This light can also come on due to
low brake fluid. SeeBrake Fluid on
page 10‑32 for more information.
MetricEnglish
This light comes on briefly when the
ignition key is turned to ON/RUN.
If it does not come on then, have it
fixed so it is ready to warn if there is
a problem.
{WARNING
The brake system might not be
working properly if the brake
system warning light is on.
Driving with the brake system (Continued)
WARNING (Continued)
warning light on can lead to a
crash. If the light is still on after
the vehicle has been pulled off
the road and carefully stopped,
have the vehicle towed for
service.
If the light comes on while driving,
pull off the road and stop carefully.
The pedal might be harder to push
or might go closer to the floor. It can
take longer to stop. If the light is
still on, have the vehicle towed for
service. See Towing the Vehicle on
page 10‑103.
If the vehicle is a hybrid, see the
hybrid supplement for more
information.
Antilock Brake System
(ABS) Warning Light
For vehicles with the Antilock Brake
System (ABS), this light comes on
briefly when the engine is started.
If it does not, have the vehicle
serviced by your dealer. If the
system is working normally the
indicator light then goes off.
If the ABS light stays on, turn the
ignition off. If the light comes on
while driving, stop as soon as it is
safely possible and turn the ignition
off. Then start the engine again to
reset the system. If the ABS light
stays on, or comes on again while
driving, the vehicle needs service.

Black plate (37,1)GMC Sierra Owner Manual - 2011
Instruments and Controls 5-37
recommended in the Maintenance
Schedule in this manual.
SeeScheduled Maintenance on
page 11‑2 for more information.
Remember, you must reset the
OIL LIFE display after each oil
change. It will not reset itself. Also,
be careful not to reset the OIL LIFE
display accidentally at any time
other than when the oil has just
been changed. It cannot be reset
accurately until the next oil change.
To reset the engine oil life system,
see Engine Oil Life System on
page 10‑11.
Units
Press the vehicle information button
until UNITS displays. This display
allows you to select between metric
or English units of measurement.
Once in this display, press the
set/reset button to select between
METRIC or ENGLISH units.
All of the vehicle information will
then be displayed in the unit of
measurement selected. Tire Pressure
If the vehicle has the Tire Pressure
Monitor System (TPMS), the
pressure for each tire can be viewed
in the DIC. The tire pressure will be
shown in either kilopascals (kPa)
or pounds per square inch (psi).
Press the vehicle information
button until the DIC displays
FRONT TIRES kPa (PSI) LEFT ##
RIGHT ##. Press the vehicle
information button again until the
DIC displays REAR TIRES kPa
(PSI) LEFT ## RIGHT ##.
If a low tire pressure condition
is detected by the system while
driving, a message advising you to
add pressure in a specific tire will
appear in the display. See
Tire
Pressure on page 10‑66 andTire
Messages on page 5‑49 for more
information.
If the tire pressure display shows
dashes instead of a value, there
may be a problem with the vehicle.
If this consistently occurs, see your
dealer for service. Trailer Gain and Output
On vehicles with the Integrated
Trailer Brake Control (ITBC)
system, the trailer brake display
appears in the DIC. Press the
vehicle information button until
TRAILER GAIN and OUTPUT
display.
TRAILER GAIN shows the trailer
gain setting. This setting can be
adjusted from 0.0 to 10.0 with either
a trailer connected or disconnected.
OUTPUT shows the power output
to the trailer any time a trailer with
electric brakes is connected. Output
is displayed in 0 to 10 bars. Dashes
may appear in the OUTPUT display.
To adjust trailer gain see
“Integrated
Trailer Brake Control System” under
Towing Equipment on page 9‑112
for more information.
Engine Hours
Press the vehicle information button
until ENGINE HOURS displays.
This display shows the total number
of hours the engine has run.

Black plate (45,1)GMC Sierra Owner Manual - 2011
Instruments and Controls 5-45
Engine Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the
engine oil needs to be changed.
When you change the engine oil,
be sure to reset the CHANGE
ENGINE OIL SOON message.
SeeEngine Oil Life System on
page 10‑11 for information on how
to reset the message. See Engine
Oil on page 10‑7 andScheduled
Maintenance on page 11‑2 for
more information.
ENGINE OIL HOT IDLE
ENGINE
This message displays when the
engine oil becomes hotter than the
normal operating temperature. Stop
and allow the vehicle to idle until it
cools down. See Engine Coolant
Temperature Gauge on page 5‑17.
OIL PRESSURE LOW STOP
ENGINE
Notice: If you drive the vehicle
while the engine oil pressure
is low, severe engine damage
may occur. If a low oil pressure
warning appears on the Driver
Information Center (DIC), stop
the vehicle as soon as possible.
Do not drive the vehicle until the
cause of the low oil pressure is
corrected. See Engine Oil on
page 10‑7 for more information.
This message displays if low oil
pressure levels occur. Stop the
vehicle as soon as safely possible
and do not operate it until the cause
of the low oil pressure has been
corrected. Check the oil as soon
as possible and have the vehicle
serviced by your dealer. See Engine
Oil on page 10‑7.
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays and a
chime may sound when the cooling
system temperature gets too hot
and the engine further enters the
engine coolant protection mode.
See Engine Overheating on
page 10‑25 for more information.
This message also displays when
the vehicle's engine power is
reduced. Reduced engine power
can affect the vehicle's ability
to accelerate. If this message
is on, but there is no reduction
in performance, proceed to your
destination. The performance may
be reduced the next time the vehicle
is driven. The vehicle may be driven
at a reduced speed while this
message is on, but acceleration and
speed may be reduced. Anytime
this message stays on, the vehicle
should be taken to your dealer for
service as soon as possible.

Black plate (47,1)GMC Sierra Owner Manual - 2011
Instruments and Controls 5-47
SERVICE PARK ASSIST
If the vehicle has 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. SeeUltrasonic Parking Assist
on page 9‑76 for more information.
See your dealer for service.
Ride Control System
Messages
SERVICE STABILITRAK
If the vehicle has StabiliTrak and
this message 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 for
service. The vehicle is safe to
drive; however, you do not have
the benefit of StabiliTrak, so reduce
your speed and drive accordingly.
SERVICE TRACTION
CONTROL
If the 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 for
service. See
StabiliTrak
®System on
page 9‑70 for more information.
STABILITRAK OFF
If the vehicle has StabiliTrak, this
message displays when you turn
off StabiliTrak, or when the stability
control has been automatically
disabled. To 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 your
vehicle gets stuck in sand, mud, ice,
or snow and you want to rock your
vehicle to attempt to free it, or if
you are driving in extreme off-road
conditions and require more wheel
spin. SeeIf the Vehicle is Stuck on
page 9‑23. To turn the StabiliTrak
system on or off, see StabiliTrak
®
System on page 9‑70.

Black plate (49,1)GMC Sierra Owner Manual - 2011
Instruments and Controls 5-49
Tire Messages
SERVICE TIRE MONITOR
SYSTEM
If the 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. SeeTire
Pressure Light on page 5‑30.
Several conditions may cause
this message to appear. See Tire
Pressure Monitor Operation on
page 10‑69 for more information.
If the warning comes on and stays
on, there may be a problem with
the TPMS. See your dealer.
TIRE LEARNING ACTIVE
If the vehicle has the Tire Pressure
Monitor System (TPMS), this
message displays when the system
is re-learning the tire positions on
your vehicle. The tire positions must
be re-learned after rotating the tires
or after replacing a tire or sensor.
See Tire Inspection on page 10‑73,
Tire Rotation on page 10‑73,
Tire Pressure Monitor System on
page 10‑68, and Tire Pressure on
page 10‑66 for more information.
TIRE LOW ADD AIR TO TIRE
If the vehicle has the Tire Pressure
Monitor System (TPMS), this
message displays when the
pressure in one or more of the
vehicle's tires is low. This message
also displays LEFT FRT (left front),
RIGHT FRT (right front), LEFT RR (left rear), or RIGHT RR (right rear)
to indicate the location of the low
tire. The low tire pressure warning
light will also come on. See
Tire
Pressure Light on page 5‑30.
You can receive more than one
tire pressure message at a time.
To read the other messages that
may have been sent at the same
time, press the set/reset button or
the trip odometer reset stem. If a
tire pressure message appears on
the DIC, stop as soon as you can.
Have the tire pressures checked
and set to those shown on the Tire
Loading Information label. See Tires
on page 10‑57, Vehicle Load Limits
on page 9‑25, and Tire Pressure on
page 10‑66. The DIC also shows
the tire pressure values. See Driver
Information Center (DIC) on
page 5‑33.

Black plate (8,1)GMC Sierra Owner Manual - 2011
7-8 Infotainment System
Radio Messages
Calibration Error:The audio
system has been calibrated
for the vehicle from the factory.
If Calibration Error displays, it
means that the radio has not been
configured properly for the vehicle
and it must be returned to your
dealer for service.
Locked or Loc: One of these
messages will display when the
THEFTLOCK
®system has locked
up the radio. Take the vehicle to
your dealer for service.
If any error occurs repeatedly or
if an error cannot be corrected,
contact your dealer.
Radio
AM-FM Radio
Radio Data System (RDS)
For radios with the Radio Data
System (RDS) feature, it only works
with FM stations that broadcast
RDS information. This system relies
upon receiving specific information
from these stations and only works
when the information is available.
While the radio is tuned to an
FM-RDS station, the station
name or call letters will display.
In rare cases, a radio station could
broadcast incorrect information
that causes the radio features to
work improperly. If this happens,
contact the radio station.
4(Information) (RDS Features):
For vehicles with RDS features,
press
4to display additional text
information related to the current
FM-RDS station. If information is
available, the song title information
displays on the top line of the display and artist information
displays on the bottom line.
When information is not available,
“NO INFO”
displays.
Finding a Station
BAND:Press to switch between
AM, FM, or XM™, if equipped.
f(Tune): Turn to manually select
radio stations.
©SEEK: Press to seek the
previous radio station. Press
and hold for a few seconds until
a beep sounds to scan for radio
stations in descending order; press
the
©SEEK button again to stop
scanning radio stations. The radio
only seeks and scans stations
with a strong signal that are in
the selected band.
For the AM-FM Radio, press and
hold the
©SEEK for four seconds
until a double beep sounds to scan
the preset stations. The station
frequency flashes while the radio
is in the scan mode.

Black plate (12,1)GMC Sierra Owner Manual - 2011
7-12 Infotainment System
Storing XM Channels
Drivers are encouraged to store
XM channels while the vehicle is
parked; seeDefensive Driving on
page 9‑2. Tune to stored radio
stations using the presets, favorites
button, and steering wheel controls,
if the vehicle has this feature.
Up to 36 stations can be
programmed as favorites using
the six softkeys below the radio
station frequency tabs and by
using the FAV button. Press the
FAV button to go through up to six
pages of favorites, each having six
favorite stations available per page.
Each page of favorites can contain
any combination of AM, FM, or XM,
if equipped, stations.
Storing an XM Channel as a
Favorite
To store a station as a favorite:
1. Tune to an XM channel.
2. Press the FAV button to display the page where the station will
be stored. 3. Press and hold one of the six
softkeys until a beep sounds.
4. Repeat Steps 1 through 3 to store additional radio stations.
The number of favorites pages can
be set up using the MENU button.
To set up the number of favorites
pages:
1. Press the MENU button.
2. Press the softkey located below the FAV 1-6 tab.
3. Select the number of favorites pages by pressing the softkey
located below the displayed
page numbers.
4. Press the FAV button, or let the menu time out, to return to
the original main radio screen
showing the radio station
frequency tabs and to begin
the process of programming
favorites.
XM Radio Messages
XL (Explicit Language
Channels): These channels,
or any others, can be blocked at
a customer's request, by calling
1-800-929-2100 in the U.S. and
1-877-438-9677 in Canada.
XM Updating: The encryption
code in the receiver is being
updated, and no action is required.
This process should take no longer
than 30 seconds.
No XM Signal: The system is
functioning correctly, but the vehicle
is in a location that is blocking the
XM signal. When the vehicle is
moved into an open area, the
signal should return.
Loading XM: The audio system is
acquiring and processing audio and
text data. No action is needed. This
message should disappear shortly.
Channel Off Air: This channel is
not currently in service. Tune in to
another channel.

Black plate (13,1)GMC Sierra Owner Manual - 2011
Infotainment System 7-13
Channel Unauth:This channel is
blocked or cannot be received with
your XM subscription package.
Channel Unavail: This previously
assigned channel is no longer
assigned. Tune to another station.
If this station was one of the
presets, choose another station
for that preset button.
No Artist Info: No artist
information is available at this
time on this channel. The system
is working properly.
No Title Info: No song title
information is available at this
time on this channel. The system
is working properly.
No CAT Info: No category
information is available at this time
on this channel. The system is
working properly. No Information:
No text or
informational messages are
available at this time on this
channel. The system is working
properly.
No Subscription Please Renew:
The XM subscription needs to
be reactivated. Contact XM
at www.xmradio.com or call
1-800-929-2100.
CAT Not Found: There are no
channels available for the selected
category. The system is working
properly.
XM Theftlocked: The XM receiver
in the vehicle could have previously
been in another vehicle. For security
purposes, XM receivers cannot be
swapped between vehicles. If this
message is received after having
the vehicle serviced, check with
your dealer. XM Radio ID:
If tuned to channel 0,
this message alternates with the
XM Radio eight‐digit radio ID label.
This label is needed to activate the
service.
Unknown: If this message is
received when tuned to channel 0,
there could be a receiver fault.
Consult with your dealer.
Check Antenna: If this message
does not clear within a short period
of time, the receiver or antenna
could have a fault. Consult with
your dealer.
Check XM Receivr: If this
message does not clear within a
short period of time, the receiver
could have a fault. Consult with
your dealer.
XM Not Available: If this message
does not clear within a short period
of time, the receiver could have a
fault. Consult with your dealer.