automatic transmission GMC TERRAIN 2012 Owner's Guide

Black plate (3,1)GMC Terrain Owner Manual (Include Mex) - 2012
Technical Data 12-3
ApplicationCapacities
Metric English
Transmission Fluid (Drain and Refill)
2.4L L4 6–Speed Automatic* 8.5 L 9.0 qt
3.0L V6 6–Speed Automatic* 9.0 L 9.5 qt
Wheel Nut Torque 190 Y140 lb ft
*See Automatic Transmission Fluid on page 10‑13 for information on checking fluid level.
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.
Engine Specifications
Engine VIN CodeTransmission Spark Plug Gap
2.4L L4 KAutomatic 0.9 mm (0.035 in)
3.0L V6 5Automatic 1.1 mm (0.043 in)

Black plate (5,1)GMC Terrain Owner Manual (Include Mex) - 2012
OnStar 14-5
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if the
vehicle is equipped with the Tire
Pressure Monitoring System. If a
diagnostics check is needed
between e-mails, push
Q, and an
Advisor can run a check.
OnStar Additional
Information
Transferring Service
PushQto request account transfer
eligibility information. The Advisor
can assist in canceling or removing
account information. If OnStar
receives information that vehicle
ownership has changed, OnStar
may send a voice message to the
vehicle, requesting updated account
information.
Reactivation for Subsequent
Owners
PushQand follow the prompts to
speak to an Advisor as soon as
possible after acquiring the vehicle.
The Advisor will update vehicle
records and will explain the OnStar
service offers and options available.
How OnStar Service Works
Automatic Crash Response,
Emergency Services, Crisis Assist,
Stolen Vehicle Assistance, Vehicle
Diagnostics, Remote Door Unlock,
Roadside Assistance, Turn-by-Turn
Navigation, and Hands-Free Calling
are available on most vehicles. Not
all OnStar services are available
everywhere or on all vehicles. For
more information, a full description
of OnStar services, system
limitations, and OnStar terms and
conditions, see www.onstar.com
(U.S.) or www.onstar.ca (Canada);
contact OnStar at 1-888-4-ONSTAR
(1‐888‐466‐7827) or TTY
1‐877‐248‐2080; or push
Qto
speak with an Advisor. OnStar
services require a vehicle electrical
system, wireless service, and GPS
satellite technologies to be available
and operating for features to
function properly. These systems
may not operate if the battery is
discharged or disconnected.

Black plate (1,1)GMC Terrain Owner Manual (Include Mex) - 2012
INDEX i-1
A
Accessories andModifications . . . . . . . . . . . . . . . . . 10-3
Accessory Power . . . . . . . . . . . . . . 9-25
Add-On Electrical Equipment . . . . . . . . . . . . . . . . . . . 9-64
Additional Information,
OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-5
Adjustments Lumbar, Front Seats . . . . . . . . . . . 3-5
Air Cleaner/Filter, Engine . . . . . 10-14
Air Conditioning . . . . . . . . . . . . . . . . 8-3
Air Filter, Passenger
Compartment . . . . . . . . . . . . . . . . . 8-6
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 8-5
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . 3-34
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . 3-26
Passenger Sensing
System . . . . . . . . . . . . . . . . . . . . . . 3-28
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . 3-26 Airbag System (cont'd)
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . 3-26
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . 3-24
Where Are the Airbags? . . . . . . 3-23
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . 3-33
Passenger Status Indicator . . . 5-12
Readiness Light . . . . . . . . . . . . . . 5-11
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . 3-32
System Check . . . . . . . . . . . . . . . . 3-21
Alarm System Anti-theft . . . . . . . . . . . . . . . . . . . . . . 2-13
All-Wheel Drive . . . . . . . . . 10-26, 9-32
AM-FM Radio . . . . . . . . . . . . . . . . . . . 7-8
Antenna Multi-band . . . . . . . . . . . . . . . . . . . . 7-14
Anti-theft Alarm System . . . . . . . . . . . . . . . . 2-13
Alarm System Messages . . . . . 5-31
Antilock Brake System (ABS) . . . . . . . . . . . . . . . . 9-32
Warning Light . . . . . . . . . . . . . . . . . 5-17 Appearance Care
Exterior . . . . . . . . . . . . . . . . . . . . . 10-83
Interior . . . . . . . . . . . . . . . . . . . . . . 10-86
Assistance Program, Roadside . . . . . . . . . . . . . . . 13-7, 13-9
Audio Players . . . . . . . . . . . . . . . . . 7-14 CD . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
MP3 . . . . . . . . . . . . . . . . . . . . . . . . . . 7-16
Audio System Radio Reception . . . . . . . . . . . . . . 7-13
Rear Seat (RSA) . . . . . . . . . . . . . 7-32
Theft-Deterrent Feature . . . . . . . . 7-2
Automatic Climate Control System . . . . . . . . 8-3
Headlamp System . . . . . . . . . . . . . 6-3
Transmission . . . . . . . . . . . . . . . . . 9-29
Transmission Fluid . . . . . . . . . 10-13
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . 9-31
Shift Lock ControlFunction Check . . . . . . . . . . . 10-27
Auxiliary Devices . . . . . . . . . . . . . . . . . . . . . . . 7-18

Black plate (4,1)GMC Terrain Owner Manual (Include Mex) - 2012
i-4 INDEX
Driving (cont'd)Off-Road . . . . . . . . . . . . . . . . . . . . . . 9-6
Off-Road Recovery . . . . . . . . . . . . 9-5
Vehicle Load Limits . . . . . . . . . . . 9-16
Wet Roads . . . . . . . . . . . . . . . . . . . 9-11
Winter . . . . . . . . . . . . . . . . . . . . . . . . 9-13
DVD Rear Seat EntertainmentSystem . . . . . . . . . . . . . . . . . . . . . . 7-22
E
E85 Fuel . . . . . . . . . . . . . . . . . . . . . . . 9-53
ECO Button . . . . . . . . . . . . . . . . . . . 9-31
Economy Mode
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-31
Electrical Equipment,
Add-On . . . . . . . . . . . . . . . . . . . . . . 9-64
Electrical System Engine CompartmentFuse Block . . . . . . . . . . . . . . . . 10-38
Fuses . . . . . . . . . . . . . . . . . . . . . . 10-38
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . 10-42
Emergency, OnStar
®. . . . . . . . . . 14-2 Engine
Air Cleaner/Filter . . . . . . . . . . . 10-14
Check and Service Engine
Soon Light . . . . . . . . . . . . . . . . . . 5-13
Compartment Overview . . . . . . . 10-6
Coolant . . . . . . . . . . . . . . . . . . . . . 10-17
Coolant Heater . . . . . . . . . . . . . . . 9-25
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 5-10
Cooling System . . . . . . . . . . . . . 10-15
Cooling System Messages . . . 5-28
Cover . . . . . . . . . . . . . . . . . . . . . . . . . 10-9
Drive Belt Routing . . . . . . . . . . . . 12-4
Exhaust . . . . . . . . . . . . . . . . . . . . . . 9-28
Oil Life System . . . . . . . . . . . . . 10-12
Oil Messages . . . . . . . . . . . . . . . . . 5-28
Overheating . . . . . . . . . . . . . . . . 10-20
Power Messages . . . . . . . . . . . . . 5-29
Pressure Light . . . . . . . . . . . . . . . . 5-20
Running While Parked . . . . . . . . 9-28
Starting . . . . . . . . . . . . . . . . . . . . . . . 9-23
Entry Lighting . . . . . . . . . . . . . . . . . . . 6-5
Equipment, Towing . . . . . . . . . . . . 9-63
Event Data Recorders . . . . . . . . 13-20
Extender, Safety Belt . . . . . . . . . . 3-19
Exterior Lamp Controls . . . . . . . . . 6-1
F
Features Memory . . . . . . . . . . . . . . . . . . . . . . . 1-10
Filter, Engine Air Cleaner . . . . . . . . . 10-14
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 6-2
Flashers, Hazard Warning . . . . . . 6-3
Flat Tire . . . . . . . . . . . . . . . . . . . . . . 10-65 Changing . . . . . . . . . . . . . . . . . . . 10-67
Floor Mats . . . . . . . . . . . . . . . . . . . . 10-88
Fluid Automatic Transmission . . . . 10-13
Brakes . . . . . . . . . . . . . . . . . . . . . . 10-24
Power Steering . . . . . . . . . . . . . 10-22
Washer . . . . . . . . . . . . . . . . . . . . . 10-23
Fog Lamps
Bulb Replacement . . . . . . 10-33, 6-4
Forward Collision Alert (FCA) Warning Light . . . . . . . . . 5-18
Front Fog Lamp
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 5-22
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . 3-3
Heated . . . . . . . . . . . . . . . . . . . . . . . . 3-9

Black plate (7,1)GMC Terrain Owner Manual (Include Mex) - 2012
INDEX i-7
Lights (cont'd)Tire Pressure . . . . . . . . . . . . . . . . . 5-20
Traction Control System
(TCS)/StabiliTrak
®. . . . . . . . . . 5-19
Traction Off . . . . . . . . . . . . . . . . . . . 5-18
Locks Door . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Power Door . . . . . . . . . . . . . . . . . . . . 2-7
Safety . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Loss of Control . . . . . . . . . . . . . . . . . 9-5
Low Fuel Warning Light . . . . . . . . 5-21
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . 3-44
Lumbar Adjustment . . . . . . . . . . . . . 3-5 Front Seats . . . . . . . . . . . . . . . . . . . . 3-5
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . .11-15
Maintenance Schedule Recommended Fluidsand Lubricants . . . . . . . . . . . . .11-12
Malfunction Indicator Lamp . . . . 5-13
Manual Mode . . . . . . . . . . . . . . . . . . 9-31
Memory Features . . . . . . . . . . . . . . 1-10 Memory Seats . . . . . . . . . . . . . . . . . . 3-7
Messages
Airbag System . . . . . . . . . . . . . . . . 5-31
Anti-theft Alarm System . . . . . . . 5-31
Battery Voltage andCharging . . . . . . . . . . . . . . . . . . . . 5-26
Brake System . . . . . . . . . . . . . . . . 5-27
Compass . . . . . . . . . . . . . . . . . . . . . 5-27
Door Ajar . . . . . . . . . . . . . . . . . . . . . 5-27
Engine Cooling System . . . . . . . 5-28
Engine Oil . . . . . . . . . . . . . . . . . . . . 5-28
Engine Power . . . . . . . . . . . . . . . . 5-29
Fuel System . . . . . . . . . . . . . . . . . . 5-29
Key and Lock . . . . . . . . . . . . . . . . . 5-29
Object Detection System . . . . . 5-29
Ride Control System . . . . . . . . . . 5-30
Safety Belt . . . . . . . . . . . . . . . . . . . . 5-31
Service Vehicle . . . . . . . . . . . . . . . 5-31
Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-32
Transmission . . . . . . . . . . . . . . . . . 5-32
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 5-26
Vehicle Reminder . . . . . . . . . . . . . 5-33 Mirrors
Automatic Dimming
Rearview . . . . . . . . . . . . . . . . . . . . 2-17
Blind Spot . . . . . . . . . . . . . . . . . . . . 2-15
Convex . . . . . . . . . . . . . . . . . . . . . . . 2-15
Heated . . . . . . . . . . . . . . . . . . . . . . . 2-15
Manual Rearview . . . . . . . . . . . . . 2-17
Park Tilt . . . . . . . . . . . . . . . . . . . . . . 2-17
Power . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . 10-52
MP3 . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-16
Multi-band Antenna . . . . . . . . . . . . 7-14
N
Navigation OnStar®. . . . . . . . . . . . . . . . . . . . . . 14-2
Vehicle Data Recording
and Privacy . . . . . . . . . . . . . . . 13-21
Net, Convenience . . . . . . . . . . . . . . 4-2
New Vehicle Break-In . . . . . . . . . . 9-20

Black plate (10,1)GMC Terrain Owner Manual (Include Mex) - 2012
i-10 INDEX
Safety Defects ReportingCanadian Government . . . . . . 13-19
General Motors . . . . . . . . . . . . . 13-19
U.S. Government . . . . . . . . . . . 13-18
Safety Locks . . . . . . . . . . . . . . . . . . . . 2-8
Safety System Check . . . . . . . . . . 3-19
Satellite Radio . . . . . . . . . . . . . . . . . 7-11
Scheduling Appointments . . . . . 13-13
Seats Adjustment, Front . . . . . . . . . . . . . . 3-3
Head Restraints . . . . . . . . . . . . . . . 3-2
Heated Front . . . . . . . . . . . . . . . . . . 3-9
Lumbar Adjustment, Front . . . . . 3-5
Memory . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Power Adjustment, Front . . . . . . 3-4
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Reclining Seatbacks . . . . . . . . . . . 3-5
Securing Child Restraints . . . . . . . . . . . . . . 3-49, 3-52
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21
OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-2
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 2-13 Service
Accessories and
Modifications . . . . . . . . . . . . . . . . 10-3
Doing Your Own Work . . . . . . . . 10-4
Engine Soon Light . . . . . . . . . . . . 5-13
Maintenance Records . . . . . . .11-15
Maintenance, General Information . . . . . . . . . . . . . . . . . . 11-1
Parts Identification Label . . . . . 12-1
Publications Ordering Information . . . . . . . . . . . . . . . . 13-17
Scheduling Appointments . . . 13-13
Vehicle Messages . . . . . . . . . . . . 5-31
Servicing the Airbag . . . . . . . . . . . 3-32
Shift Lock Control Function Check, Automatic
Transmission . . . . . . . . . . . . . . . . 10-27
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 9-26
Out of Park . . . . . . . . . . . . . . . . . . . 9-27
Sidemarker
Bulb Replacement . . . . . . . . . . 10-34
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . . 6-3 Spare Tire
Compact . . . . . . . . . . . . . . . . . . . . 10-75
Specifications and Capacities . . . . . . . . . . . . . . . . . . . . 12-2
Speedometer . . . . . . . . . . . . . . . . . . . 5-9
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . 5-19
System . . . . . . . . . . . . . . . . . . . . . . . 9-36
Start Assist, Hills . . . . . . . . . . . . . . 9-34
Start Vehicle, Remote . . . . . . . . . . 2-5
Starter Switch Check . . . . . . . . . 10-27
Starting the Engine . . . . . . . . . . . . 9-23
Steering . . . . . . . . . . . . . . . . . . . . . . . . 9-4 Fluid, Power . . . . . . . . . . . . . . . . 10-22
Wheel Adjustment . . . . . . . . . . . . . 5-2
Wheel Controls . . . . . . . . . . . . . . . . 5-2
Stoplamps and Back-Up Lamps Bulb Replacement . . . . . . . . . . 10-34
Storage Areas Cargo Cover . . . . . . . . . . . . . . . . . . . 4-2
Center Console . . . . . . . . . . . . . . . . 4-1
Convenience Net . . . . . . . . . . . . . . 4-2
Glove Box . . . . . . . . . . . . . . . . . . . . . 4-1
Roof Rack System . . . . . . . . . . . . . 4-2

Black plate (11,1)GMC Terrain Owner Manual (Include Mex) - 2012
INDEX i-11
Stuck Vehicle . . . . . . . . . . . . . . . . . . 9-15
Sun Visors . . . . . . . . . . . . . . . . . . . . . 2-20
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 2-20
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . iv
SystemInfotainment . . . . . . . . . . . . . . . . . . . 7-1
Roof Rack . . . . . . . . . . . . . . . . . . . . . 4-2
T
Tachometer . . . . . . . . . . . . . . . . . . . . . 5-9
TaillampsBulb Replacement . . . . . . . . . . 10-34
Text Telephone (TTY) Users . . . 13-6
Theft-Deterrent Systems . . . . . . . 2-14
Immobilizer . . . . . . . . . . . . . . . . . . . 2-14
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Tires Buying New Tires . . . . . . . . . . . 10-59
Chains . . . . . . . . . . . . . . . . . . . . . . 10-65
Changing . . . . . . . . . . . . . . . . . . . 10-67
Compact Spare . . . . . . . . . . . . . 10-75
Designations . . . . . . . . . . . . . . . 10-47
Different Size . . . . . . . . . . . . . . . 10-61
If a Tire Goes Flat . . . . . . . . . . 10-65
Inflation Monitor System . . . . 10-54
Inspection . . . . . . . . . . . . . . . . . . 10-57 Tires (cont'd)
Messages . . . . . . . . . . . . . . . . . . . . 5-32
Pressure Light . . . . . . . . . . . . . . . . 5-20
Pressure Monitor System . . . 10-52
Rotation . . . . . . . . . . . . . . . . . . . . 10-57
Sidewall Labeling . . . . . . . . . . . 10-45
Terminology and
Definitions . . . . . . . . . . . . . . . . . 10-48
Uniform Tire Quality
Grading . . . . . . . . . . . . . . . . . . . 10-62
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . 10-63
Wheel Replacement . . . . . . . . 10-64
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . 10-58
Towing Driving Characteristics . . . . . . . . 9-57
Equipment . . . . . . . . . . . . . . . . . . . . 9-63
General Information . . . . . . . . . . 9-56
Recreational Vehicle . . . . . . . . 10-80
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 9-60
Trailer Sway Control (TSC) . . . 9-63
Vehicle . . . . . . . . . . . . . . . . . . . . . 10-79 Traction
Control System (TCS) . . . . . . . . 9-35
Control System (TCS)/
StabiliTrak
®Light . . . . . . . . . . . . 5-19
Off Light . . . . . . . . . . . . . . . . . . . . . . 5-18
Trailer Sway Control (TSC) . . . . . . . . . . 9-63
Towing . . . . . . . . . . . . . . . . . . . . . . . . 9-60
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . 9-29
Fluid, Automatic . . . . . . . . . . . . 10-13
Messages . . . . . . . . . . . . . . . . . . . . 5-32
Transportation Program, Courtesy . . . . . . . . . . . . . . . . . . . . 13-13
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Turn Signal Bulb Replacement . . . . . . . . . . 10-34
U
Ultrasonic Parking Assist . . . . . . 9-43
Uniform Tire QualityGrading . . . . . . . . . . . . . . . . . . . . . 10-62
Using This Manual . . . . . . . . . . . . . . . . iv