
GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9234776) - 2016 - crc - 10/12/15
Driving and Operating 191
Warning (Continued)
.Do not drive with the
liftgate, trunk/hatch,
or rear-most window open.
. Fully open the air outlets on
or under the instrument
panel.
. Also adjust the climate
control system to a setting
that brings in only outside
air. See “Climate Control
Systems” in the Index.
For information about carbon
monoxide, see Engine
Exhaust 0166.
Towing a trailer requires a certain
amount of experience. The
combination you are driving is
longer and not as responsive as the
vehicle itself. Get acquainted with
the handling and braking of the rig
before setting out for the open road.
Before starting, check all trailer hitch
parts and attachments, safety
chains, electrical connectors, lamps,
tires and mirrors. If the trailer has electric brakes, start the
combination moving and then apply
the trailer brake controller by hand
to be sure the brakes work.
During the trip, check occasionally
to be sure that the load is secure
and the lamps and any trailer
brakes still work.
Towing with a Stability Control
System
When towing, the sound of the
stability control system might be
heard. The system is reacting to the
vehicle movement caused by the
trailer, which mainly occurs during
cornering. This is normal when
towing heavier trailers.
Following Distance
Stay at least twice as far behind the
vehicle ahead as you would when
driving the vehicle without a trailer.
This can help to avoid situations
that require heavy braking and
sudden turns.
Passing
More passing distance is needed
when towing a trailer. Because the
rig is longer, it is necessary to go
farther beyond the passed vehicle
before returning to the lane.
Backing Up
Hold the bottom of the steering
wheel with one hand. To move the
trailer to the left, move your hand to
the left. To move the trailer to the
right, move your hand to the right.
Always back up slowly and,
if possible, have someone
guide you.
Making Turns
Caution
Making very sharp turns while
trailering could cause the trailer to
come in contact with the vehicle.
The vehicle could be damaged.
Avoid making very sharp turns
while trailering.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9234776) - 2016 - crc - 10/12/15
248 Vehicle Care
norm due to variations in driving
habits, service practices and
differences in road
characteristics and climate.
Traction
The traction grades, from
highest to lowest, are AA, A, B,
and C. Those grades represent
the tire's ability to stop on wet
pavement as measured under
controlled conditions on
specified government test
surfaces of asphalt and
concrete. A tire marked C may
have poor traction performance.
Warning: The traction grade
assigned to this tire is based on
straight-ahead braking traction
tests, and does not include
acceleration, cornering,
hydroplaning, or peak traction
characteristics.
Temperature
The temperature grades are A
(the highest), B, and C,
representing the tire's resistanceto the generation of heat and its
ability to dissipate heat when
tested under controlled
conditions on a specified indoor
laboratory test wheel. Sustained
high temperature can cause the
material of the tire to degenerate
and reduce tire life, and
excessive temperature can lead
to sudden tire failure. The grade
C corresponds to a level of
performance which all
passenger car tires must meet
under the Federal Motor Safety
Standard No. 109. Grades B and
A represent higher levels of
performance on the laboratory
test wheel than the minimum
required by law. Warning: The
temperature grade for this tire is
established for a tire that is
properly inflated and not
overloaded. Excessive speed,
underinflation, or excessive
loading, either separately or in
combination, can cause heat
buildup and possible tire failure.Wheel Alignment and Tire
Balance
The tires and wheels were aligned
and balanced at the factory to
provide the longest tire life and best
overall performance. Adjustments to
wheel alignment and tire balancing
are not necessary on a regular
basis. Consider an alignment check
if there is unusual tire wear or the
vehicle is significantly pulling to one
side or the other. Some slight pull to
the left or right, depending on the
crown of the road and/or other road
surface variations such as troughs
or ruts, is normal. If the vehicle is
vibrating when driving on a smooth
road, the tires and wheels may need
to be rebalanced. See your dealer
for proper diagnosis.
Wheel Replacement
Replace any wheel that is bent,
cracked, or badly rusted or
corroded. If wheel nuts keep coming
loose, the wheel, wheel bolts, and
wheel nuts should be replaced.
If the wheel leaks air, replace it.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9234776) - 2016 - crc - 10/12/15
Index 315
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 199
Accessory Power . . . . . . . . . . . . . . . 163
Add-On Electrical Equipment . . . 196
Additional Information OnStar
®. . . . . . . . . . . . . . . . . . . . . . 309
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . 280
Adjustments
Lumbar, Front Seats . . . . . . . . . . . . 46
Air Cleaner/Filter, Engine . . . . . . . 208
Air Conditioning . . . . . . . . . . . . . . . . 139
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 143
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 142
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 70
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 63
Passenger Sensing System . . . . 65
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 63
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 64
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 62
Where Are the Airbags? . . . . . . . . 61 Airbags
Adding Equipment to the
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . 69
Passenger Status Indicator . . . 102
Readiness Light . . . . . . . . . . . . . . 101
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 69
System Check . . . . . . . . . . . . . . . . . . 59
Alarm Vehicle Security . . . . . . . . . . . . . . . . 36
Alert
Side Blind Zone (SBZA) . . . . . . 182
All-Season Tires . . . . . . . . . . . . . . . . 231
All-Wheel Drive . . . . . . . . . . . . 170, 219
Antilock Brake System (ABS) . . . 170 Warning Light . . . . . . . . . . . . . . . . . 106
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 264
Interior . . . . . . . . . . . . . . . . . . . . . . . . 268
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . . 295
Automatic Climate Control System . . . . . . . 139
Door Locks . . . . . . . . . . . . . . . . . . . . . 31
Headlamp System . . . . . . . . . . . . 131
Transmission . . . . . . . . . . . . . . . . . 167
Transmission Fluid . . . . . . . . . . . 208

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9234776) - 2016 - crc - 10/12/15
316 Index
Automatic TransmissionManual Mode . . . . . . . . . . . . . . . . . 169
Shift Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 219
B
BatteryLoad Management . . . . . . . . . . . . 134
Voltage and ChargingMessages . . . . . . . . . . . . . . . . . . . .114
Battery - North America . . . . 218, 258
Blade Replacement, Wiper . . . . . 220
Brake System Warning Light . . . . . . . . 105
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 216 Antilock . . . . . . . . . . . . . . . . . . . . . . . 170
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 172
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Parking . . . . . . . . . . . . . . . . . . . . . . . 171
System Messages . . . . . . . . . . . . .114
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 146
Break-In, New Vehicle . . . . . . . . . . 160
Bulb Replacement . . . . . . . . . . . . . . 225
Halogen Bulbs . . . . . . . . . . . . . . . . 222
Headlamp Aiming . . . . . . . . . . . . . 222
Headlamps . . . . . . . . . . . . . . . . . . . 222
License Plate Lamps . . . . . . . . . 225 Bulb Replacement (cont'd)
Taillamps, Turn Signal,
Sidemarker, Stoplamps,
and Backup Lamps . . . . . . . . . . 222
Buying New Tires . . . . . . . . . . . . . . . 245C
Calibration . . . . . . . . . . . . . . . . . . . . . . . 95
California Fuel Requirements . . . . . . . . . . . 187
Perchlorate Materials
Requirements . . . . . . . . . . . . . . . 198
California Proposition
65 Warning . . . . . . . . . .198, 218, 258
Camera Rear Vision (RVC) . . . . . . . . . . . . 177
Canadian Vehicle Owners . . . . . . . . 2
Capacities and Specifications . . . . . . . . . . . . . . . . . 288
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 166
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . 32
Winter Driving . . . . . . . . . . . . . . . . 154
Cargo Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Tie-Downs . . . . . . . . . . . . . . . . . . . . . . 90
Caution, Danger, and Warning . . . . 3
Center Console Storage . . . . . . . . . 89 Chains, Tire . . . . . . . . . . . . . . . . . . . . 249
Charging System Light . . . . . . . . . 103
Check
Ignition Transmission Lock . . . 219
Malfunction IndicatorEngine Light . . . . . . . . . . . . . . . . 103
Child Restraints
Infants and Young Children . . . . . 73
Lower Anchors and Tethersfor Children . . . . . . . . . . . . . . . . . . . 78
Older Children . . . . . . . . . . . . . . . . . . 71
Securing . . . . . . . . . . . . . . . . . . . . 83, 86
Systems . . . . . . . . . . . . . . . . . . . . . . . . 75
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 264
Interior Care . . . . . . . . . . . . . . . . . . 268
Climate Control Systems . . . . . . . 137 Air Conditioning . . . . . . . . . . . . . . 137
Automatic . . . . . . . . . . . . . . . . . . . . . 139
Heating . . . . . . . . . . . . . . . . . . . . . . . 137
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Cluster, Instrument . . . . . . . . . . . . . . 98
Collision Damage Repair . . . . . . . 298
Compact Spare Tire . . . . . . . . . . . . 257
Compartments
Storage . . . . . . . . . . . . . . . . . . . . . . . . . 89
Compass . . . . . . . . . . . . . . . . . . . . . . . . 95 Messages . . . . . . . . . . . . . . . . . . . . .114

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9234776) - 2016 - crc - 10/12/15
322 Index
RecordsMaintenance . . . . . . . . . . . . . . . . . . 286
Recreational Vehicle Towing . . . . 261
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . . 294
Remote Keyless Entry (RKE) System . . . . . . . . . . . . . . . . . . . . . . . . . 26
Remote Vehicle Start . . . . . . . . . . . . 28
Replacement Bulbs . . . . . . . . . . . . . 225
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . . . 70
Maintenance . . . . . . . . . . . . . . . . . . 284
Replacing Airbag System . . . . . . . . 70
Replacing LATCH System Parts after a Crash . . . . . . . . . . . . . 83
Replacing Safety Belt System
Parts after a Crash . . . . . . . . . . . . . 59
Reporting Safety Defects Canadian Government . . . . . . . . 302
General Motors . . . . . . . . . . . . . . . 302
U.S. Government . . . . . . . . . . . . . 301
Restraints Where to Put . . . . . . . . . . . . . . . . . . . 77
Retained Accessory Power (RAP) . . . . . . . . . . . . . . . . . . 163
Reverse Tilt Mirrors . . . . . . . . . . . . . . 39
Ride Control Systems Messages . . . . . . . . . . . . . . . . . . . . .117 Roads
Driving, Wet . . . . . . . . . . . . . . . . . . 152
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . . 295
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 41
Roof Rack System . . . . . . . . . . . . . . . 91
Rotation, Tires . . . . . . . . . . . . . . . . . . 243
Routing, Engine Drive Belt . . . . . . 290
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . . 167
S
Safety Belts . . . . . . . . . . . . . . . . . . . . . 52
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Extender . . . . . . . . . . . . . . . . . . . . . . . . 58
How to Wear Safety BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . 53
Lap-Shoulder Belt . . . . . . . . . . . . . . 54
Reminders . . . . . . . . . . . . . . . . . . . . 101
Replacing after a Crash . . . . . . . . 59
Use During Pregnancy . . . . . . . . . . 58
Safety Defects Reporting Canadian Government . . . . . . . . 302
General Motors . . . . . . . . . . . . . . . 302
U.S. Government . . . . . . . . . . . . . 301
Safety Locks . . . . . . . . . . . . . . . . . . . . . 31
Safety System Check . . . . . . . . . . . . 58
Scheduling Appointments . . . . . . . 297 Seats
Adjustment, Front . . . . . . . . . . . . . . . 45
Head Restraints . . . . . . . . . . . . . . . . 44
Heated Front . . . . . . . . . . . . . . . . . . . 50
Lumbar Adjustment, Front . . . . . . 46
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 48
Power Adjustment, Front . . . . . . . 45
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Reclining Seatbacks . . . . . . . . . . . . 47
Securing Child Restraints . . . . 83, 86
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Messages . . . . . . . . . . . . . . . . . . . . .118
OnStar®. . . . . . . . . . . . . . . . . . . . . . 306
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 36
Vehicle Alarm . . . . . . . . . . . . . . . . . . . 36
Service Accessories andModifications . . . . . . . . . . . . . . . . 199
Climate Control System . . . . . . . 137
Doing Your Own Work . . . . . . . . 199
Engine Soon Light . . . . . . . . . . . . 103
Maintenance Records . . . . . . . . 286
Maintenance, General Information . . . . . . . . . . . . . . . . . . 273
Parts Identification Label . . . . . 287
Publications Ordering Information . . . . . . . . . . . . . . . . . . 300