
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146071) - 2019 - crc - 7/27/18
Service and Maintenance 381
Footnotes—Maintenance
Schedule Additional Required
Services - Normal
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter
replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels,
or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, window
fogging, or odors. Your GM dealer
can help determine when to replace
the filter.
(2) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(3) Or as indicated by the Driver
Information Center (DIC) or
two years whichever comes first.
The fuel filter may need to be
replaced more often based on
biodiesel usage, driving in climates
with severe dust, off-road driving,
or towing a trailer for extended
periods. (4)
Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(5) Or every five years, whichever
comes first. See Cooling System
0 301.
(6) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(7) Replace brake fluid every five
years. See Brake Fluid 0308.
(8) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0311.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146071) - 2019 - crc - 7/27/18
Service and Maintenance 383
Footnotes—Maintenance
Schedule Additional Required
Services - Severe
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter
replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels,
or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, window
fogging, or odors. Your GM dealer
can help determine when to replace
the filter.
(2) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(3) Or as indicated by the Driver
Information Center (DIC) or
two years whichever comes first.
The fuel filter may need to be
replaced more often based on
biodiesel usage, driving in climates
with severe dust, off-road driving,
or towing a trailer for extended
periods. (4)
Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(5) Or every five years, whichever
comes first. See Cooling System
0 301.
(6) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(7) Replace brake fluid every five
years. See Brake Fluid 0308.
(8) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0311.Special Application
Services
.
Severe Commercial Use
Vehicles Only: Lubricate chassis
components every oil change.
. Have underbody flushing service
performed. See "Underbody
Maintenance" in Exterior Care
0 367.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146071) - 2019 - crc - 7/27/18
400 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 500 miles.
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 L. 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 km 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,

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12146071) - 2019 - crc - 7/27/18
424 Index
Drive SystemsAll-Wheel Drive . . . . . . . . . . 218, 310
Driver Assistance Systems . . . . . 242
Driver Behavior . . . . . . . . . . . . . . . . . 179
Driver Information Center (DIC) . . . . . . . . . . . . . 142, 147
Driver Mode Control . . . . . . . . . . . . 226
Driving
Assistance Systems . . . . . . . . . . 249
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 274
Defensive . . . . . . . . . . . . . . . . . . . . . 181
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 181
Environment . . . . . . . . . . . . . . . . . . 180
For Better Fuel Economy . . . . . . . 27
Hill and Mountain Roads . . . . . . 188
If the Vehicle is Stuck . . . . . . . . . 190
Loss of Control . . . . . . . . . . . . . . . 183
Off-Road . . . . . . . . . . . . . . . . . . . . . 183
Off-Road Recovery . . . . . . . . . . . 182
Vehicle Load Limits . . . . . . . . . . . 191
Wet Roads . . . . . . . . . . . . . . . . . . . 187
Winter . . . . . . . . . . . . . . . . . . . . . . . . 189
Driving the Vehicle . . . . . . . . . . . . . . . . 3
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 172E
Electric Parking Brake . . . . . . . . . . 219
Electric Parking Brake Light . . . . 136
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . . 282
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 318
Fuses and Circuit Breakers . . . 318
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 321
Overload . . . . . . . . . . . . . . . . . . . . . 317
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 323
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . 410
Engine Air Cleaner/Filter . . . . . . . . . . . . . 299
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 133
Compartment Overview . . . . . . . 289
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 130
Cooling System . . . . . . . . . . . . . . . 301
Drive Belt Routing . . . . . . . . . . . . 394
Exhaust . . . . . . . . . . . . . . . . . . . . . . 206
Heater . . . . . . . . . . . . . . . . . . . . . . . . 200
Oil Life System . . . . . . . . . . . . . . . 298 Engine (cont'd)
Oil Pressure Light . . . . . . . . . . . . 139
Overheating . . . . . . . . . . . . . . . . . . 305
Power Messages . . . . . . . . . . . . . 152
Running While Parked . . . . . . . . 206
Starting . . . . . . . . . . . . . . . . . . . . . . . 197
Engines Diesel Fuel . . . . . . . . . . . . . . . . . . . 262
Entry Lighting . . . . . . . . . . . . . . . . . . . 167
Equipment, Towing . . . . . . . . . . . . . 280
Event Data Recorders . . . . . . . . . . 407
Exhaust Fluid
Diesel . . . . . . . . . . . . . . . . . . . . . . . . 208
Exit Lighting . . . . . . . . . . . . . . . . . . . . 167
Extended Parking . . . . . . . . . . . . . . . 205
Extender, Seat Belt . . . . . . . . . . . . . . 77
Exterior Lamp Controls . . . . . . . . . 161
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 168
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . . 12
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Replacement (Fuel) . . . . . . . . . . . 268
Filter, Engine Air Cleaner . . . . . . . . . . . 299
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 163

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12146071) - 2019 - crc - 7/27/18
428 Index
N
NavigationConnected Services . . . . . . . . . . 417
Net, Convenience . . . . . . . . . . . . . . 111
New Vehicle Break-In . . . . . . . . . . . 195
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . 128 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Off-Road . . . . . . . . . . . . . . . . . . . . . . . 183 Driving . . . . . . . . . . . . . . . . . . . . . . . . 183
Recovery . . . . . . . . . . . . . . . . . . . . . 182
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 294
Engine Oil Life System . . . . . . . 298
Pressure Light . . . . . . . . . . . . . . . . 139
Older Children, Restraints . . . . . . . 91
Online Owner Center . . . . . . . . . . . 398
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 408
OnStar Additional Information . . . . . . . . . . . . . . . . . . . . 411
OnStar Emergency . . . . . . . . . . . . . 410
OnStar Overview . . . . . . . . . . . . . . . 409
OnStar Security . . . . . . . . . . . . . . . . 411
Operation Fog Lamps . . . . . . . . . . . . . . . . . . . 165
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . .117 Overheating, Engine . . . . . . . . . . . . 305
P
Park
Shifting Into . . . . . . . . . . . . . . . . . . . 202
Shifting Out of . . . . . . . . . . . . . . . . 203
Park Assist . . . . . . . . . . . . . . . . . . . . . 243
Parking
Brake and P (Park)Mechanism Check . . . . . . . . . . .311
Extended . . . . . . . . . . . . . . . . . . . . . 205
Over Things That Burn . . . . . . . 205
Parking or Backing Assistance Systems . . . . . . . . . . 243
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . 132
Passenger Compartment Air
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Passenger Sensing System . . . . . 85
Pedestrian Ahead Indicator . . . . . 137
Perchlorate Materials Requirements, California . . . . . . 286
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . 152
Power Door Locks . . . . . . . . . . . . . . . . . . . . . 40
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Outlets . . . . . . . . . . . . . . . . . . . . . . . .117 Power (cont'd)
Protection, Battery . . . . . . . . . . . . 168
Retained Accessory (RAP) . . . 202
Seat Adjustment . . . . . . . . . . . . . . . . 60
Windows . . . . . . . . . . . . . . . . . . . . . . . 53
Pregnancy, Using Seat Belts . . . . 77
Privacy Vehicle Data Recording . . . . . . . 407
Program
Courtesy Transportation . . . . . . 401
Prohibited Fuels . . . . . . . . . . . . . . . . 261
Proposition 65 Warning,
California . . . . . . . . . . . .285, 309, 360, Back Cover
Publication Ordering Information . . . . . . . . . . . . . . . . . . . . 404
R
Radio Frequency Statement . . . . 405
Reading Lamps . . . . . . . . . . . . . . . . . 167
Rear Seats . . . . . . . . . . . . . . . . . . . . . . 67Heated . . . . . . . . . . . . . . . . . . . . . . . . . 70
Rear Vision Camera (RVC) . . . . . 243
Rear Window Washer/Wiper . . . . 115
Rearview Mirrors . . . . . . . . . . . . . . . . 52
Automatic Dimming . . . . . . . . . . . . . 52
Reclining Seatbacks . . . . . . . . . . . . . 61