
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9919509) - 2017 - crc - 8/16/16
280 Service and Maintenance
frequent checks and services. The
Additional Required Services -
Normal are for vehicles that:
.Carry passengers and cargo
within recommended limits on
the Tire and Loading Information
label. See Vehicle Load
Limits 0161.
. Are driven on reasonable road
surfaces within legal driving
limits.
. Use the recommended fuel. See
Fuel 0191.
Refer to the information in the
Maintenance Schedule Additional
Required Services - Normal chart.
The Additional Required Services -
Severe are for vehicles that are:
. Mainly driven in heavy city traffic
in hot weather.
. Mainly driven in hilly or
mountainous terrain.
. Frequently towing a trailer.
. Used for high speed or
competitive driving. .
Used for taxi, police, or delivery
service.
Refer to the information in the
Maintenance Schedule Additional
Required Services - Severe chart.
{Warning
Performing maintenance work can
be dangerous and can cause
serious injury. Perform
maintenance work only if the
required information, proper tools,
and equipment are available.
If they are not, see your dealer to
have a trained technician do the
work. See Doing Your Own
Service Work 0204.
Maintenance
Schedule
Owner Checks and Services
At Each Fuel Stop
.
Check the engine oil level. See
Engine Oil 0209.
Once a Month
. Check the tire inflation
pressures. See Tire
Pressure 0243.
. Inspect the tires for wear. See
Tire Inspection 0248.
. Check the windshield washer
fluid level. See Washer
Fluid 0221.
Engine Oil Change
When the CHANGE ENGINE OIL
SOON message displays, have the
engine oil and filter changed within
the next 1 000 km/600 mi. If driven
under the best conditions, the
engine oil life system may not
indicate the need for vehicle service
for up to a year. The engine oil and
filter must be changed at least once

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9919509) - 2017 - crc - 8/16/16
Service and Maintenance 281
a year and the oil life system must
be reset. Your trained dealer
technician can perform this work.
If the engine oil life system is reset
accidentally, service the vehicle
within 5 000 km/3,000 mi since the
last service. Reset the oil life
system when the oil is changed.
SeeEngine Oil Life System 0212.
Tire Rotation and Required
Services Every 12 000 km/
7,500 mi
Rotate the tires, if recommended for
the vehicle, and perform the
following services. See Tire
Rotation 0248.
. Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system. See Engine
Oil 0209 andEngine Oil Life
System 0212. .
Check engine coolant level. See
Engine Coolant 0215.
. Check windshield washer fluid
level. See Washer Fluid 0221.
. Visually inspect windshield wiper
blades for wear, cracking,
or contamination. See Exterior
Care 0269. Replace worn or
damaged wiper blades. See
Wiper Blade
Replacement 0225.
. Check tire inflation pressures.
See Tire Pressure 0243.
. Inspect tire wear. See Tire
Inspection 0248.
. Visually check for fluid leaks.
. Inspect engine air cleaner filter.
See Engine Air Cleaner/
Filter 0213.
. Inspect brake system. See
Exterior Care 0269. .
Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of
wear. See Exterior Care 0269.
. Check restraint system
components. See Safety System
Check 060.
. Visually inspect fuel system for
damage or leaks.
. Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts.
. Lubricate body components. See
Exterior Care 0269.
. Check starter switch. See Starter
Switch Check 0224.
. Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function
Check 0224.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9919509) - 2017 - crc - 8/16/16
288 Service and Maintenance
of leaking, blown seals,
or damage, and can advise
when service is needed.
Tires
Tires need to be properly inflated,
rotated, and balanced. Maintaining
the tires can save money and fuel,
and can reduce the risk of tire
failure.
. Signs that the tires need to be
replaced include three or more
visible treadwear indicators; cord
or fabric showing through the
rubber; cracks or cuts in the
tread or sidewall; or a bulge or
split in the tire.
. Trained dealer technicians can
inspect and recommend the right
tires. Your dealer can also
provide tire/wheel balancing
services to ensure smooth
vehicle operation at all speeds.
Your dealer sells and services
name brand tires.
Vehicle Care
To help keep the vehicle looking like
new, vehicle care products are
available from your dealer. For information on how to clean and
protect the vehicle’s interior and
exterior, see
Interior Care 0274 and
Exterior Care 0269.
Wheel Alignment
Wheel alignment is critical for
ensuring that the tires deliver
optimal wear and performance.
. Signs that the alignment may
need to be adjusted include
pulling, improper vehicle
handling, or unusual tire wear.
. Your dealer has the required
equipment to ensure proper
wheel alignment.
Windshield
For safety, appearance, and the
best viewing, keep the windshield
clean and clear.
. Signs of damage include
scratches, cracks, and chips.
. Trained dealer technicians can
inspect the windshield and
recommend proper replacement
if needed. Wiper Blades
Wiper blades need to be cleaned
and kept in good condition to
provide a clear view.
.
Signs of wear include streaking,
skipping across the windshield,
and worn or split rubber.
. Trained dealer technicians can
check the wiper blades and
replace them when needed.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9919509) - 2017 - crc - 8/16/16
300 Customer Information
.Lock-Out Service: Service to
unlock the vehicle if you are
locked out. A remote unlock may
be available if you have
OnStar
®. For security reasons,
the driver must present
identification before this service
is given.
. Emergency Tow from a Public
Road or Highway: Tow to the
nearest GMC dealer for warranty
service, or if the vehicle was in a
crash and cannot be driven.
Assistance is not given when the
vehicle is stuck in the sand,
mud, or snow.
. Flat Tire Change: Service to
change a flat tire with the spare
tire. The spare tire, if equipped,
must be in good condition and
properly inflated. It is the owner's
responsibility for the repair or
replacement of the tire if it is not
covered by the warranty.
. Battery Jump Start: Service to
jump start a dead battery.
. Trip Interruption Benefits and
Assistance: If your trip is
interrupted due to a warranty event, incidental expenses may
be reimbursed within the
Powertrain warranty period.
Items considered are reasonable
and customary hotel, meals,
rental car, or a vehicle being
delivered back to the customer,
up to 805 km (500 mi).
Services Not Included in
Roadside Assistance
.
Impound towing caused by
violation of any laws.
. Legal fines.
. Mounting, dismounting,
or changing of snow tires,
chains, or other traction devices.
Service is not provided if a vehicle
is in an area that is not accessible
to the service vehicle or is not a
regularly traveled or maintained
public road, which includes ice and
winter roads. Off-road use is not
covered.
Services Specific to
Canadian-Purchased Vehicles
. Fuel Delivery: Reimbursement
is up to 7 liters. Diesel fuel
delivery may be restricted.
Propane and other fuels are not
provided through this service.
. Lock-Out Service: Vehicle
registration is required.
. Trip Interruption Benefits and
Assistance: Must be over
150 kilometers from where your
trip was started to qualify.
Pre-authorization, original
detailed receipts, and a copy of
the repair orders are required.
Once authorization has been
received, the Roadside
Assistance advisor will help to
make arrangements and explain
how to receive payment.
. Alternative Service: If
assistance cannot be provided
right away, the Roadside
Assistance advisor may give
permission to get local
emergency road service. You will
receive payment, up to $100,
after sending the original receipt

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9919509) - 2017 - crc - 8/16/16
310 OnStar
.Obtain and customize the Wi-Fi®
hotspot name or SSID and
password, if equipped.
Press
Qto connect to an
Advisor to:
. Verify account information or
update contact information.
. Get driving directions.
. Receive a Diagnostic check of
the vehicle's key operating
systems.
. Receive Roadside Assistance.
. Manage Wi-Fi Settings,
if equipped.
Press
>to get a priority connection
to an OnStar Advisor available 24/
7 to:
. Get help for an emergency.
. Be a Good Samaritan or
respond to an AMBER Alert.
. Get assistance in severe
weather or other crisis situations
and find evacuation routes.
OnStar Services
Emergency
Emergency Services require an
active, OnStar service plan
(excludes Basic Plan). With
Automatic Crash Response, built-in
sensors can automatically alert a
specially trained OnStar Advisor
who is immediately connected in to
the vehicle to help.
Press
>for a priority connection to
an OnStar Advisor who can contact
emergency service providers, direct
them to your exact location, and
relay important information.
With OnStar Crisis Assist, specially
trained Advisors are available
24 hours a day, 7 days a week, to
provide a central point of contact,
assistance, and information during a
crisis.
With Roadside Assistance, Advisors
can locate a nearby service provider
to help with a flat tire, a battery
jump, or an empty gas tank.
Security
If equipped, OnStar provides these
services:
. With Stolen Vehicle Assistance,
OnStar Advisors can use GPS to
pinpoint the vehicle and help
authorities quickly recover it.
. With Remote Ignition Block™,
if equipped, OnStar can block
the engine from being restarted.
. With Stolen Vehicle Slowdown
®,
if equipped, OnStar can work
with law enforcement to
gradually slow the vehicle down.
Theft Alarm Notification
If equipped, if the doors are locked
and the vehicle alarm sounds, a
notification by text, e-mail, or phone
call will be sent. If the vehicle is
stolen, an OnStar Advisor can work
with authorities to recover the
vehicle.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9919509) - 2017 - crc - 8/16/16
Index 319
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 204
Accessory Power . . . . . . . . . . . . . . . 168
Add-On Electrical Equipment . . . 201
Additional Information OnStar
®. . . . . . . . . . . . . . . . . . . . . . 314
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . 286
Adjustments
Lumbar, Front Seats . . . . . . . . . . . . 48
Air Cleaner/Filter, Engine . . . . . . . 213
Air Conditioning . . . . . . . . . . . 142, 144
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 147
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 147
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 73
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 66
Passenger Sensing System . . . . 67
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 65
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 66
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 65
Where Are the Airbags? . . . . . . . . 63 Airbags
Adding Equipment to the
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . 72
Passenger Status Indicator . . . 106
Readiness Light . . . . . . . . . . . . . . 105
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 72
System Check . . . . . . . . . . . . . . . . . . 62
Alarm Vehicle Security . . . . . . . . . . . . . . . . 37
Alert
Side Blind Zone (SBZA) . . . . . . 187
All-Season Tires . . . . . . . . . . . . . . . . 236
All-Wheel Drive . . . . . . . . . . . . 175, 224
Antilock Brake System (ABS) . . . 175 Warning Light . . . . . . . . . . . . . . . . . .110
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 269
Interior . . . . . . . . . . . . . . . . . . . . . . . . 274
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . . 299
Automatic Climate Control System . . . . . . . 144
Door Locks . . . . . . . . . . . . . . . . . . . . . 32
Headlamp System . . . . . . . . . . . . 136
Transmission . . . . . . . . . . . . . . . . . 172
Transmission Fluid . . . . . . . . . . . 213

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9919509) - 2017 - crc - 8/16/16
322 Index
Electrical SystemEngine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 231
Fuses . . . . . . . . . . . . . . . . . . . . . . . . 231
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 234
Emergency
OnStar
®. . . . . . . . . . . . . . . . . . . . . . 310
Engine Air Cleaner/Filter . . . . . . . . . . . . . 213
Check and Service EngineSoon Light . . . . . . . . . . . . . . . . . . 107
Compartment Overview . . . . . . . 206
Coolant . . . . . . . . . . . . . . . . . . . . . . . 215
Coolant Heater . . . . . . . . . . . . . . . 168
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 104
Cooling System . . . . . . . . . . . . . . . 214
Cooling System Messages . . . .119
Cover . . . . . . . . . . . . . . . . . . . . . . . . . 209
Drive Belt Routing . . . . . . . . . . . . 294
Exhaust . . . . . . . . . . . . . . . . . . . . . . 171
Oil Life System . . . . . . . . . . . . . . . 212
Oil Messages . . . . . . . . . . . . . . . . . 120
Oil Pressure Light . . . . . . . . . . . . .112
Overheating . . . . . . . . . . . . . . . . . . 219
Power Messages . . . . . . . . . . . . . 121
Running While Parked . . . . . . . . 172 Engine (cont'd)
Starting . . . . . . . . . . . . . . . . . . . . . . . 167
Entry Lighting . . . . . . . . . . . . . . . . . . . 139
Equipment, Towing . . . . . . . . . . . . . 200
Event Data Recorders . . . . . . . . . . 307
Exit Lighting . . . . . . . . . . . . . . . . . . . . 139
Extender, Safety Belt . . . . . . . . . . . . 60
Exterior Lamp Controls . . . . . . . . . 135
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . . . 140
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . . 11
Filter, Engine Air Cleaner . . . . . . . . . . . 213
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 135
Flashers, Hazard Warning . . . . . . 137
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 255 Changing . . . . . . . . . . . . . . . . . . . . . 256
FlexFuel E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 277
Fluid Automatic Transmission . . . . . . 213
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 222
Power Steering . . . . . . . . . . . . . . . 220
Washer . . . . . . . . . . . . . . . . . . . . . . . 221 Forward Collision Alert
(FCA) System . . . . . . . . . . . . . . . . . 185
Forward Collision Alert (FCA) Warning Light . . . . . . . . . . . . . . . . . 110
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 305
Front Seats
Adjustment . . . . . . . . . . . . . . . . . . . . . 47
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 52
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191 Additives . . . . . . . . . . . . . . . . . . . . . 192
Economy Driving . . . . . . . . . . . . . . . 23
Economy Light . . . . . . . . . . . . . . . .113
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 194
Filling the Tank . . . . . . . . . . . . . . . 193
Foreign Countries . . . . . . . . . . . . 192
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 103
Low Fuel Warning Light . . . . . . . .113
Requirements, California . . . . . 191
System Messages . . . . . . . . . . . . 121
Fuel Economy Mode . . . . . . . . . . . . 174
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . 231 Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 231
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 234

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9919509) - 2017 - crc - 8/16/16
328 Index
Tires (cont'd)All-Season . . . . . . . . . . . . . . . . . . . . 236
Buying New Tires . . . . . . . . . . . . . 250
Chains . . . . . . . . . . . . . . . . . . . . . . . . 254
Changing . . . . . . . . . . . . . . . . . . . . . 256
Compact Spare . . . . . . . . . . . . . . . 262
Designations . . . . . . . . . . . . . . . . . 240
Different Size . . . . . . . . . . . . . . . . . 251
If a Tire Goes Flat . . . . . . . . . . . . 255
Inspection . . . . . . . . . . . . . . . . . . . . 248
Messages . . . . . . . . . . . . . . . . . . . . 124
Pressure . . . . . . . . . . . . . . . . . . . . . . 243
Pressure Light . . . . . . . . . . . . . . . . .112
Pressure Monitor Operation . . 245
Pressure Monitor System . . . . . 244
Rotation . . . . . . . . . . . . . . . . . . . . . . 248
Sidewall Labeling . . . . . . . . . . . . . 238
Terminology and Definitions . . 240
Uniform Tire Quality
Grading . . . . . . . . . . . . . . . . . . . . . 252
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 253
Wheel Replacement . . . . . . . . . . 254
When It Is Time for New
Tires . . . . . . . . . . . . . . . . . . . . . . . . 249
Winter . . . . . . . . . . . . . . . . . . . . . . . . 237
Towing Driving Characteristics . . . . . . . . 195 Towing (cont'd)
Equipment . . . . . . . . . . . . . . . . . . . . 200
General Information . . . . . . . . . . 195
Recreational Vehicle . . . . . . . . . . 266
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 198
Trailer Sway Control (TSC) . . . 200
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 266
Traction Control System (TCS)/
StabiliTrak
®Light . . . . . . . . . . . . . 111
Off Light . . . . . . . . . . . . . . . . . . . . . . . 111
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . 177
Trailer
Sway Control (TSC) . . . . . . . . . . 200
Towing . . . . . . . . . . . . . . . . . . . . . . . . 198
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . 172
Fluid, Automatic . . . . . . . . . . . . . . 213
Messages . . . . . . . . . . . . . . . . . . . . 124
Transportation Program, Courtesy . . . . . . . . . . . . . . . . . . . . . . 301
Turn and Lane-Change
Signals . . . . . . . . . . . . . . . . . . . . . . . . 137
Turn Signal Bulb Replacement . . . . . . . . . . . . 227
U
Uniform Tire Quality Grading . . . 252
Universal Remote System . . . . . . 131Operation . . . . . . . . . . . . . . . . . . . . . 133
Programming . . . . . . . . . . . . . . . . . 131
Using This Manual . . . . . . . . . . . . . . . . 2
V
Vehicle Alarm System . . . . . . . . . . . . . . . . . . 37
Canadian Owners . . . . . . . . . . . . . . . 2
Control . . . . . . . . . . . . . . . . . . . . . . . 151
Identification Number (VIN) . . . 292
Load Limits . . . . . . . . . . . . . . . . . . . 161
Messages . . . . . . . . . . . . . . . . . . . . .118
Personalization . . . . . . . . . . . . . . . 125
Reminder Messages . . . . . . . . . . 124
Remote Start . . . . . . . . . . . . . . . . . . . 29
Security . . . . . . . . . . . . . . . . . . . . . . . . 37
Towing . . . . . . . . . . . . . . . . . . . . . . . . 266
Vehicle Ahead Indicator . . . . . . . . 111
Vehicle Care Tire Pressure . . . . . . . . . . . . . . . . . 243
Vehicle Data Recording and
Privacy . . . . . . . . . . . . . . . . . . . . . . . . 306
Ventilation, Air . . . . . . . . . . . . . . . . . . 147
Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . 43