2012 GMC TERRAIN warning light

Black plate (20,1)GMC Terrain Owner Manual (Include Mex) - 2012
3-20 Seats and Restraints
Safety Belt Care
Keep belts clean and dry.
{WARNING
Do not bleach or dye safety belts.
It may severely weaken them. In
a crash, they might not be able to
provide adequate protection.
Clean safety belts only with mild
soap and lukewarm water.
Replacing Safety Belt
System Parts after a
Crash
{WARNING
A crash can damage the safety
belt system in the vehicle.
A damaged safety belt system
may not properly protect the
person using it, resulting in
serious injury or even death in a
crash. To help make sure the
safety belt systems are working
properly after a crash, have them
inspected and any necessary
replacements made as soon as
possible.After a minor crash, replacement of
safety belts may not be necessary.
But the safety belt assemblies that
were used during any crash may
have been stressed or damaged.
See your dealer to have the safety
belt assemblies inspected or
replaced.
New parts and repairs may be
necessary even if the safety belt
system was not being used at the
time of the crash.
Have the safety belt pretensioners
checked if the vehicle has been in a
crash, or if the airbag readiness light
stays on after you start the vehicle
or while you are driving. See
Airbag
Readiness Light on page 5‑11.

Black plate (22,1)GMC Terrain Owner Manual (Include Mex) - 2012
3-22 Seats and Restraints
{WARNING
Because airbags inflate with great
force and faster than the blink of
an eye, anyone who is up
against, or very close to any
airbag when it inflates can be
seriously injured or killed. Do not
sit unnecessarily close to any
airbag, as you would be if sitting
on the edge of the seat or leaning
forward. Safety belts help keep
you in position before and during
a crash. Always wear a safety
belt, even with airbags. The driver
should sit as far back as possible
while still maintaining control of
the vehicle.
Occupants should not lean on or
sleep against the door or side
windows in seating positions with
seat-mounted side impact airbags
and/or roof-rail airbags.
{WARNING
Children who are up against,
or very close to, any airbag when
it inflates can be seriously injured
or killed. Airbags plus
lap-shoulder belts offer protection
for adults and older children, but
not for young children and infants.
Neither the vehicle's safety belt
system nor its airbag system is
designed for them. Young
children and infants need the
protection that a child restraint
system can provide. Always
secure children properly in the
vehicle. To read how, seeOlder
Children on page 3‑35 orInfants
and Young Children on
page 3‑37.
There is an airbag readiness light
on the instrument panel cluster,
which shows the airbag symbol.
The system checks the airbag
electrical system for malfunctions.
The light tells you if there is an
electrical problem. See Airbag
Readiness Light on page 5‑11 for
more information.

Black plate (29,1)GMC Terrain Owner Manual (Include Mex) - 2012
Seats and Restraints 3-29
{WARNING
A child in a rear-facing child
restraint can be seriously injured
or killed if the right front
passenger airbag inflates. This is
because the back of the
rear-facing child restraint would
be very close to the inflating
airbag. A child in a forward-facing
child restraint can be seriously
injured or killed if the right front
passenger airbag inflates and the
passenger seat is in a forward
position.
Even if the passenger sensing
system has turned off the right
front passenger frontal airbag, no
system is fail-safe. No one can
guarantee that an airbag will not
deploy under some unusual
circumstance, even though the
airbag is turned off.(Continued)
WARNING (Continued)
Secure rear-facing child restraints
in a rear seat, even if the airbag
is off. If you secure a
forward-facing child restraint in
the right front seat, always move
the front passenger seat as far
back as it will go. It is better to
secure the child restraint in a
rear seat.
The passenger sensing system is
designed to turn off the right front
passenger frontal airbag if:
.The right front passenger seat is
unoccupied.
.The system determines that an
infant is present in a child
restraint.
.A right front passenger takes
his/her weight off of the seat for
a period of time.
.Or, if there is a critical problem
with the airbag system or the
passenger sensing system.
When the passenger sensing
system has turned off the right front
passenger frontal airbag, the off
indicator will light and stay lit to
remind you that the airbag is off.
See Passenger Airbag Status
Indicator on page 5‑12.
The passenger sensing system is
designed to turn on (may inflate) the
right front passenger frontal airbag
anytime the system senses that a
person of adult size is sitting
properly in the right front
passenger seat.
When the passenger sensing
system has allowed the airbag to be
enabled, the on indicator will light
and stay lit to remind you that the
airbag is active.

Black plate (30,1)GMC Terrain Owner Manual (Include Mex) - 2012
3-30 Seats and Restraints
For some children, including
children in child restraints, and for
very small adults, the passenger
sensing system may or may not turn
off the right front passenger frontal
airbag, depending upon the
person’s seating posture and body
build. Everyone in the vehicle who
has outgrown child restraints
should wear a safety belt
properly —whether or not there is
an airbag for that person.
{WARNING
If the airbag readiness light ever
comes on and stays on, it means
that something may be wrong
with the airbag system. To help
avoid injury to yourself or others,
have the vehicle serviced right
away. See Airbag Readiness
Light on page 5‑11 for more
information, including important
safety information.
If the On Indicator is Lit for a
Child Restraint
If a child restraint has been installed
and the on indicator is lit:
1. Turn the vehicle off.
2. Remove the child restraint from the vehicle.
3. Remove any additional items from the seat such as blankets,
cushions, seat covers, seat
heaters, or seat massagers.
4. Reinstall the child restraint following the directions provided
by the child restraint
manufacturer and refer to
Securing Child Restraints (Rear
Seat ) on page 3‑49 orSecuring
Child Restraints (Front
Passenger Seat) on page 3‑52. 5. If, after reinstalling the child
restraint and restarting the
vehicle, the on indicator is still lit,
turn the vehicle off. Then slightly
recline the vehicle seatback and
adjust the seat cushion,
if adjustable, to make sure that
the vehicle seatback is not
pushing the child restraint into
the seat cushion.
Also make sure the child
restraint is not trapped under the
vehicle head restraint. If this
happens, adjust the head
restraint. See Head Restraints
on page 3‑2.
6. Restart the vehicle.
The passenger sensing system
may or may not turn off the
airbag for a child in a child
restraint depending upon the
child’s seating posture and body
build. It is better to secure the
child restraint in a rear seat.

Black plate (32,1)GMC Terrain Owner Manual (Include Mex) - 2012
3-32 Seats and Restraints
A wet seat can affect the
performance of the passenger
sensing system. Here is how:
.The passenger sensing system
may turn off the passenger
airbag when liquid is soaked into
the seat. If this happens, the off
indicator will be lit, and the
airbag readiness light on the
instrument panel will also be lit.
.Liquid pooled on the seat that
has not soaked in may make it
more likely that the passenger
sensing system will enable (turn
on) the passenger airbag while a
child restraint or child occupant
is on the seat. If the passenger
airbag is turned on, the on
indicator will be lit.
If the passenger seat gets wet, dry
the seat immediately. If the airbag
readiness light is lit, do not install a
child restraint or allow anyone to
occupy the seat. See Airbag
Readiness Light on page 5‑11 for
important safety information. The on indicator may be lit if an
object, such as a briefcase,
handbag, grocery bag, laptop or
other electronic device, is put on an
unoccupied seat. If this is not
desired remove the object from
the seat.
{WARNING
Stowing of articles under the
passenger seat or between the
passenger seat cushion and
seatback may interfere with the
proper operation of the passenger
sensing system.
Servicing the
Airbag-Equipped Vehicle
Airbags affect how the vehicle
should be serviced. There are parts
of the airbag system in several
places around the vehicle. Your
dealer and the service manual have
information about servicing the
vehicle and the airbag system. Topurchase a service manual, see
Service Publications Ordering
Information on page 13‑17.
{WARNING
For up to 10 seconds after the
vehicle is turned off and the
battery is disconnected, an airbag
can still inflate during improper
service. You can be injured if you
are close to an airbag when it
inflates. Avoid yellow connectors.
They are probably part of the
airbag system. Be sure to follow
proper service procedures, and
make sure the person performing
work for you is qualified to do so.

Black plate (34,1)GMC Terrain Owner Manual (Include Mex) - 2012
3-34 Seats and Restraints
Q: Because I have a disability,I have to get my vehicle
modified. How can I find out
whether this will affect my
airbag system?
A: If you have questions, call
Customer Assistance. The
phone numbers and addresses
for Customer Assistance are in
Step Two of the Customer
Satisfaction Procedure in this
manual. See Customer
Satisfaction Procedure (U.S. and
Canada) on page 13‑1 or
Customer Satisfaction
Procedure (Mexico) on
page 13‑3.
In addition, your dealer and the
service manual have information
about the location of the airbag
sensors, sensing and diagnostic
module and airbag wiring.Airbag System Check
The airbag system does not need
regularly scheduled maintenance or
replacement. Make sure the airbag
readiness light is working. See
Airbag Readiness Light on
page 5‑11 for more information.
Notice: If an airbag covering is
damaged, opened, or broken, the
airbag may not work properly. Do
not open or break the airbag
coverings. If there are any
opened or broken airbag covers,
have the airbag covering and/or
airbag module replaced. For the
location of the airbags, see
Where Are the Airbags? on
page 3‑23. See your dealer for
service.
Replacing Airbag System
Parts after a Crash
{WARNING
A crash can damage the airbag
systems in the vehicle.
A damaged airbag system may
not work properly and may not
protect you and your
passenger(s) in a crash, resulting
in serious injury or even death. To
help make sure the airbag
systems are working properly
after a crash, have them
inspected and any necessary
replacements made as soon as
possible.
If an airbag inflates, you will need to
replace airbag system parts. See
your dealer for service.

Black plate (1,1)GMC Terrain Owner Manual (Include Mex) - 2012
Instruments and Controls 5-1
Instruments and
Controls
Controls
Steering Wheel Adjustment . . . 5-2
Steering Wheel Controls . . . . . . 5-2
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Windshield Wiper/Washer . . . . . 5-3
Rear Window Wiper/Washer . . . . . . . . . . . . . . . . . . . . . . 5-4
Compass . . . . . . . . . . . . . . . . . . . . . 5-5
Clock . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Power Outlets . . . . . . . . . . . . . . . . . 5-6
Warning Lights, Gauges, and
Indicators
Warning Lights, Gauges, and Indicators . . . . . . . . . . . . . . . . . . . . 5-7
Instrument Cluster . . . . . . . . . . . . 5-8
Speedometer . . . . . . . . . . . . . . . . . 5-9
Odometer . . . . . . . . . . . . . . . . . . . . . 5-9
Tachometer . . . . . . . . . . . . . . . . . . . 5-9
Fuel Gauge . . . . . . . . . . . . . . . . . . . 5-9
Engine Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 5-10
Safety Belt Reminders . . . . . . . 5-11
Airbag Readiness Light . . . . . . 5-11 Passenger Airbag Status
Indicator . . . . . . . . . . . . . . . . . . . . 5-12
Charging System Light . . . . . . 5-13
Malfunction Indicator Lamp . . . . . . . . . . . . . 5-13
Brake System Warning Light . . . . . . . . . . . . . . . . . . . . . . . 5-16
Antilock Brake System (ABS) Warning Light . . . . . . . . . . . . . . 5-17
Lane Departure Warning (LDW) Light . . . . . . . . . . . . . . . . 5-17
Forward Collision Alert (FCA) Warning Light . . . . . . . . . . . . . . 5-18
Traction Off Light . . . . . . . . . . . . 5-18
StabiliTrak
®OFF Light . . . . . . . 5-19
Traction Control System (TCS)/StabiliTrak
®Light . . . . 5-19
Tire Pressure Light . . . . . . . . . . 5-20
Engine Oil Pressure Light . . . . 5-20
Fuel Economy Light . . . . . . . . . 5-21
Low Fuel Warning Light . . . . . . 5-21
Security Light . . . . . . . . . . . . . . . . 5-21
High-Beam On Light . . . . . . . . . 5-22
Front Fog Lamp Light . . . . . . . . 5-22
Lamps On Reminder . . . . . . . . . 5-22
Cruise Control Light . . . . . . . . . 5-22
Information Displays
Driver Information Center (DIC) . . . . . . . . . . . . . . . 5-23
Vehicle Messages
Vehicle Messages . . . . . . . . . . . 5-26
Battery Voltage and ChargingMessages . . . . . . . . . . . . . . . . . . 5-26
Brake System Messages . . . . 5-27
Compass Messages . . . . . . . . . 5-27
Cruise Control Messages . . . . 5-27
Door Ajar Messages . . . . . . . . . 5-27
Engine Cooling System Messages . . . . . . . . . . . . . . . . . . 5-28
Engine Oil Messages . . . . . . . . 5-28
Engine Power Messages . . . . 5-29
Fuel System Messages . . . . . . 5-29
Key and Lock Messages . . . . . 5-29
Object Detection System Messages . . . . . . . . . . . . . . . . . . 5-29
Ride Control System Messages . . . . . . . . . . . . . . . . . . 5-30
Airbag System Messages . . . . 5-31
Safety Belt Messages . . . . . . . 5-31
Anti-theft Alarm System Messages . . . . . . . . . . . . . . . . . . 5-31
Service Vehicle Messages . . . 5-31

Black plate (7,1)GMC Terrain Owner Manual (Include Mex) - 2012
Instruments and Controls 5-7
Warning Lights,
Gauges, and
Indicators
Warning lights and gauges can
signal that something is wrong
before it becomes serious enough
to cause an expensive repair or
replacement. Paying attention to the
warning lights and gauges could
prevent injury.
Warning lights come on when there
could be a problem with a vehicle
function. Some warning lights come
on briefly when the engine is started
to indicate they are working.Gauges can indicate when there
could be a problem with a vehicle
function. Often gauges and warning
lights work together to indicate a
problem with the vehicle.
When one of the warning lights
comes on and stays on while
driving, or when one of the gauges
shows there may be a problem,
check the section that explains what
to do. Follow this manual's advice.
Waiting to do repairs can be costly
and even dangerous.