light GMC SIERRA 2013 Workshop Manual

Black plate (26,1)GMC Sierra Owner Manual - 2013 - crc - 8/14/12
5-26 Instruments and Controls
Traction Control System
(TCS)/StabiliTrak®Light
The TCS/StabiliTrak light comes on
briefly when the engine is started.
If the light does not come on or
stays on, have the vehicle serviced
by the dealer. If the system is
working normally, the indicator light
turns off.
If the light comes on and stays on
while driving, and a message
displays in the Driver Information
Center (DIC), have the vehicle
serviced by the dealer. SeeRide
Control System Messages on
page 5‑42 for more information. If the light flashes while driving, this
means that StabiliTrak or TCS is
assisting in controlling the vehicle.
See
StabiliTrak
®System on
page 9‑53 for more information.
Tire Pressure Light
For vehicles with the Tire Pressure
Monitor System (TPMS), this light
comes on briefly when the engine is
started. It provides information
about tire pressures and the TPMS.
When the Light Is On Steady
This indicates that one or more of
the tires are significantly
underinflated.
A Driver Information Center (DIC)
tire pressure message may also
display. See Tire Messages on
page 5‑43. Stop as soon as possible, and inflate the tires to the
pressure value shown on the Tire
and Loading Information label. See
Tire Pressure on page 10‑55.
When the Light Flashes First and
Then Is On Steady
If the light flashes for about a minute
and then stays on, there may be a
problem with the TPMS. If the
problem is not corrected, the light
will come on at every ignition cycle.
See
Tire Pressure Monitor
Operation on page 10‑58.Engine Oil Pressure Light
Notice: Lack of proper engine oil
maintenance can damage the
engine. Driving with the engine
oil low can also damage the
engine. The repairs would not be

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Instruments and Controls 5-27
covered by the vehicle warranty.
Check the oil level as soon as
possible. Add oil if required, but
if the oil level is within the
operating range and the oil
pressure is still low, have the
vehicle serviced. Always follow
the maintenance schedule for
changing engine oil.
This light comes on briefly while
starting the engine. 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 light comes on and stays on, it
means that oil is not flowing through
the engine properly. The vehicle
could be low on oil and it might
have some other system problem.
If the vehicle is a hybrid, see the
hybrid supplement for more
information.Low Fuel Warning Light
This light, under the fuel gauge,
comes on briefly while the engine is
being started.
This light and a chime, if the vehicle
is equipped with a radio, comes on
when the fuel tank is low on fuel.
The Driver Information Center also
displays a FUEL LEVEL LOW
message. SeeFuel System
Messages on page 5‑41 for more
information. When fuel is added this
light and message should go off. If it
does not, have the vehicle serviced
by your dealer.
Security Light
The security light should come on
briefly as the engine is started. If the
system is working normally, the
indicator light turns off. If it does not
come on, have the vehicle serviced
by your dealer.
If the light stays on and the engine
does not start, there could be a
problem with the theft-deterrent
system.
This light is also used to indicate the
status of the anti-theft alarm system
when the ignition is turned off. The
light will flash rapidly if the alarm
system is arming and one or more
of the monitored entry points is not
closed. The light will stay on if the
alarm is arming and all entry points
are closed.

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5-28 Instruments and Controls
For information regarding this light
and the vehicle's security system,
seeVehicle Alarm System on
page 2‑10.
High-Beam On Light
This light comes on when the
high-beam headlamps are in use.
See Headlamp High/Low-Beam
Changer on page 6‑2.
Front Fog Lamp Light
For vehicles with fog lamps, this
light comes on when the fog lamps
are on.
The light goes out when the fog
lamps are turned off. See Fog
Lamps on page 6‑6 for more
information.
Cruise Control Light
For vehicles equipped with cruise
control, this light comes on
whenever the cruise control is set.
The light goes out when the cruise
control is turned off. See Cruise
Control on page 9‑56 for more
information.
Information Displays
Driver Information
Center (DIC)
The vehicle has a Driver Information
Center (DIC).
The DIC displays information about
this vehicle. It also displays warning
messages if a system problem is
detected.
All messages will appear in the DIC
display located below the
tachometer in the instrument panel
cluster.
The DIC comes on when the ignition
is on. After a short delay, the DIC
will display the information that was
last displayed before the engine
was turned off.

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Instruments and Controls 5-37
When the remaining oil life is low,
the CHANGE ENGINE OIL SOON
message will appear on the display.
See“CHANGE ENGINE OIL SOON”
under Engine Oil Messages on
page 5‑40. You should change the
oil as soon as you can. See Engine
Oil on page 10‑6. In addition to the
engine oil life system monitoring the
oil life, additional maintenance is
recommended in the Maintenance
Schedule in this manual. See
Maintenance Schedule on
page 11‑3 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 10‑9.Vehicle Messages
Messages displayed on the DIC
indicate the status of the vehicle or
some action may be needed to
correct a condition. Multiple
messages may appear one after
another.
The messages that do not require
immediate action can be
acknowledged and cleared by
pressing
V(Set/Reset) or the trip
odometer reset stem.
The messages that require
immediate action cannot be cleared
until that action is performed.
All messages should be taken
seriously and clearing the message
does not correct the problem.
The following are the possible
messages and some information
about them.
If the vehicle has a diesel engine,
see the Duramax
®diesel
supplement for more information.
Battery Voltage and
Charging Messages
BATTERY LOW START
VEHICLE
When the vehicle’ s battery is
severely discharged, this message
will display and four chimes will
sound. Start the vehicle
immediately. If the vehicle is not
started and the battery continues to
discharge, the climate controls,
heated seats, and audio systems
will shut off and the vehicle may
require a jump start. These systems
will function again after the vehicle
is started.
SERVICE BATTERY
CHARGING SYSTEM
On some vehicles, this message
displays if there is a problem with
the battery charging system. Under
certain conditions, the charging
system light may also turn on in the
instrument panel cluster. See
Charging System Light on
page 5‑20. Driving with this problem

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5-38 Instruments and Controls
could drain the battery. Turn off all
unnecessary accessories. Have the
electrical system checked as soon
as possible. See your dealer.
Brake System Messages
SERVICE BRAKE SYSTEM
This message displays along with
the brake system warning light if
there is a problem with the brake
system. SeeBrake System Warning
Light on page 5‑23. 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 as soon as
possible. See your dealer.
SERVICE BRAKES SOON
On some vehicles, 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.
SERVICE TRAILER BRAKE
SYSTEM
On vehicles with the Integrated
Trailer Brake Control (ITBC) system,
this message displays and a chime
may sound when there is a problem
with the ITBC system.
When this message displays, power
is no longer available to the trailer
brakes.
As soon as it is safe to do so,
carefully pull your vehicle over to
the side of the road and turn the
ignition off. Check the wiring
connection to the trailer and turn the
ignition back on. If this message still
displays, either your vehicle or the
trailer needs service. See your
dealer.
See
“Integrated Trailer Brake
Control System” underTowing
Equipment on page 9‑89 for more
information.
Door Ajar Messages
DRIVER DOOR OPEN
This message displays and a chime
may sound if the driver door is not
fully closed and the vehicle is
shifted out of P (Park). Stop and turn
off the vehicle, check the door for
obstructions, and close the door
again. Check to see if the message
still appears on the DIC.
HOOD OPEN
This message displays and a chime
may sound if the hood is not fully
closed. Stop and turn off the
vehicle, check the hood for
obstructions, and close the hood
again. Check to see if the message
still appears on the DIC.

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Instruments and Controls 5-41
Fuel System Messages
FUEL LEVEL LOW
This message displays and a chime
may sound if the fuel level is low.
Refuel as soon as possible. See
Fuel Gauge on page 5‑13andFuel
on page 9‑65 for more information.
TIGHTEN GAS CAP
This message may display along
with the check engine light on the
instrument panel cluster if the
vehicle's fuel cap is not tightened
properly. SeeMalfunction Indicator
Lamp on page 5‑21. Reinstall the
fuel cap fully. See Filling the Tank
on page 9‑68. The diagnostic
system can determine if the fuel cap
has been left off or improperly
installed. A loose or missing fuel
cap allows fuel to evaporate into the
atmosphere. A few driving trips with
the cap properly installed should
turn this light and message off.
Key and Lock Messages
REPLACE BATTERY IN
REMOTE KEY
This message displays if a Remote
Keyless Entry (RKE) transmitter
battery is low. The battery needs to
be replaced in the transmitter. See
“Battery Replacement” under
Remote Keyless Entry (RKE)
System Operation on page 2‑2.
Lamp Messages
TURN SIGNAL ON
This message displays and a chime
sounds if a turn signal is left on for
1.2 km (0.75 mi). Move the turn
signal/multifunction lever to the off
position.
Object Detection System
Messages
PARK ASST BLOCKED SEE
OWNERS MANUAL
This message displays if there is
something interfering with the park
assist system. See Ultrasonic
Parking Assist on page 9‑59 for
more information.
PARK ASSIST OFF
After the vehicle has been started,
this message displays to remind the
driver that the URPA system has
been turned off. Press the set/reset
button or the trip odometer reset
stem to acknowledge this message
and clear it from the DIC display. To
turn the URPA system back on, see
Ultrasonic Parking Assist on
page 9‑59.

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Instruments and Controls 5-43
.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.
SeeBrake System Warning
Light on page 5‑23.
.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 5‑17 and
Airbag System on page 3‑20 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.
Starting the Vehicle
Messages
FAST IDLE ON
If your vehicle has this feature, this
message displays when the fast idle
feature is on. See Fast Idle System
on page 9‑27 for more information.
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. See Tire Pressure
Light on page 5‑26. Several
conditions may cause this message
to appear. See Tire Pressure
Monitor Operation on page 10‑58 for
more information. If the warning

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5-44 Instruments and Controls
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.
SeeTire Inspection on page 10‑61,
Tire Rotation on page 10‑61, Tire
Pressure Monitor System on
page 10‑57, and Tire Pressure on
page 10‑55 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 5‑26. 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 10‑46, Vehicle Load Limits on
page 9‑15, and Tire Pressure on
page 10‑55. The DIC also shows
the tire pressure values. See Driver
Information Center (DIC) on
page 5‑28.
Transmission Messages
GRADE BRAKING DISABLED
This message displays when the
grade braking has been disabled
with the tow/haul mode button on the end of the shift lever. See
Tow/
Haul Mode on page 9‑37, Automatic
Transmission on page 9‑32, and
Cruise Control on page 9‑56.
GRADE BRAKING ENABLED
This message displays when the
grade braking has been enabled
with the tow/haul mode button on
the end of the shift lever. See Tow/
Haul Mode on page 9‑37, Automatic
Transmission on page 9‑32, and
Cruise Control on page 9‑56.
GRADE BRAKING ON
This message displays when the
grade braking has been activated
while driving on downhill grades.
This message will only appear the
first time the feature is activated in
an ignition cycle. See Tow/Haul
Mode on page 9‑37, Automatic
Transmission on page 9‑32, and
Cruise Control on page 9‑56.

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Instruments and Controls 5-49
Press the customization button until
REMOTE DOOR LOCK appears on
the DIC display. Press the set/reset
button once to access the settings
for this feature. Then press the
customization button to scroll
through the following settings:
OFF:There will be no feedback
when you press the lock button on
the RKE transmitter.
LIGHTS ONLY: The exterior lamps
will flash when you press the lock
button on the RKE transmitter.
HORN ONLY: The horn will sound
on the second press of the lock
button on the RKE transmitter.
HORN & LIGHTS (default): The
exterior lamps will flash when you
press the lock button on the RKE
transmitter, and the horn will sound
when the lock button is pressed
again within five seconds of the
previous command.
NO CHANGE: No change will be
made to this feature. The current
setting will remain. To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
REMOTE DOOR UNLOCK
This feature allows you to select the
type of feedback received when
unlocking the vehicle with the
Remote Keyless Entry (RKE)
transmitter. You will not receive
feedback when unlocking the
vehicle with the RKE transmitter if
the doors are open. See
Remote
Keyless Entry (RKE) System
Operation on page 2‑2 for more
information.
Press the customization button until
REMOTE DOOR UNLOCK appears
on the DIC display. Press the set/
reset button once to access the
settings for this feature. Then press
the customization button to scroll
through the following settings:
LIGHTS OFF: The exterior lamps
will not flash when you press the
unlock button on the RKE
transmitter. LIGHTS ON (default):
The exterior
lamps will flash when you press the
unlock button on the RKE
transmitter.
NO CHANGE: No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
DELAY DOOR LOCK
On vehicles with a crew cab, this
feature turns the delayed door locks
on or off. When locking the doors
with the power door lock switch and
a door is open, this feature will
delay locking the doors until
five seconds after the last door is
closed. You will hear three chimes
to signal that the delayed locking
feature is in use. The key must be
out of the ignition for this feature to
work. You can temporarily override
delayed locking by pressing the
power door lock switch twice. See
Delayed Locking on page 2‑7 for
more information.

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5-50 Instruments and Controls
Press the customization button until
DELAY DOOR LOCK appears on
the DIC display. Press the set/reset
button once to access the settings
for this feature. Then press the
customization button to scroll
through the following settings:
OFF:There will be no delayed
locking of the vehicle's doors.
ON (default): The doors will not
lock until five seconds after the last
door is closed.
NO CHANGE: No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
EXIT LIGHTING
This feature allows you to select the
amount of time you want the
exterior lamps to remain on when it
is dark enough outside. This
happens after the key is turned from
ON/RUN to LOCK/OFF. Press the customization button until
EXIT LIGHTING appears on the DIC
display. Press the set/reset button
once to access the settings for this
feature. Then press the
customization button to scroll
through the following settings:
OFF:
The exterior lamps will not
turn on.
30 SECONDS (default): The
exterior lamps will stay on for
30 seconds.
1 MINUTE: The exterior lamps will
stay on for one minute.
2 MINUTES: The exterior lamps will
stay on for two minutes.
NO CHANGE: No change will be
made to this feature. The current
setting will remain.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC. APPROACH LIGHTING
This feature allows you to select if
the exterior lights turn on briefly
during low light periods after
unlocking the vehicle using the
Remote Keyless Entry (RKE)
transmitter.
Press the customization button until
APPROACH LIGHTING appears on
the DIC display. Press the set/reset
button once to access the settings
for this feature. Then press the
customization button to scroll
through the following settings:
OFF:
The exterior lights will not
turn on when you unlock the vehicle
with the RKE transmitter.
ON (default): If it is dark enough
outside, the exterior lights will turn
on briefly when you unlock the
vehicle with the RKE transmitter.
The lights will remain on for
20 seconds, until the lock button on
the RKE transmitter is pressed,
or until the vehicle is no longer off.