2020 GMC TERRAIN Oil pan

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/4/19
Driving and Operating 263
.It is recommended to perform
the first oil change before heavy
towing.
. During the first 800 km (500 mi)
of trailer towing, do not drive
over 80 km/h (50 mph) and do
not make starts at full throttle.
. Vehicles can tow in D (Drive).
If the transmission downshifts
too often, a lower gear may be
selected using Manual Mode
See Manual Mode 0205.
If equipped, the following driver
assistance features should be
turned off when towing a trailer:
. Adaptive Cruise Control (ACC)
. Super Cruise Control
. Lane Keep Assist (LKA)
. Park Assist
. Automatic Parking Assist (APA)
. Reverse Automatic
Braking (RAB) If equipped, the following driver
assistance features should be
turned to alert or off when towing a
trailer:
.
Automatic Emergency
Braking (AEB)
. Intelligent Brake Assist (IBA)
. Front Pedestrian Braking (FPB)
If equipped with Lane Change Alert
(LCA), the LCA detection zones that
extend back from the side of the
vehicle do not move further back
when a trailer is towed. Use caution
while changing lanes when towing a
trailer.
If equipped with Rear Cross Traffic
Alert (RCTA), use caution while
backing up when towing a trailer, as
the RCTA detection zones that
extend out from the back of the
vehicle do not move further back
when a trailer is towed.{Warning
To prevent serious injury or death
from carbon monoxide (CO),
when towing a trailer: . Do not drive with the
liftgate, trunk/hatch,
or rear-most window open.
. Fully open the air outlets on
or under the instrument
panel.
. Adjust the climate control
system to a setting that
brings in only outside air.
See “Climate Control
Systems” in the Index.
For more information about
carbon monoxide, see Engine
Exhaust 0191.
Towing a trailer requires experience.
The combination of the vehicle and
trailer is longer and not as
responsive as the vehicle itself. Get
used to the handling and braking of

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/5/19
Vehicle Care 273
Vehicle Care
General Information
General Information . . . . . . . . . . 274
California Proposition65 Warning . . . . . . . . . . . . . . . . . 274
California Perchlorate Materials Requirements . . . . . 275
Accessories and Modifications . . . . . . . . . . . . . . . . 275
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . 275
Hood . . . . . . . . . . . . . . . . . . . . . . . . . 276
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . . 278
Engine Oil . . . . . . . . . . . . . . . . . . . . 283
Engine Oil Life System . . . . . . . 287
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . . . 288
Engine Air Cleaner/Filter . . . . . . 288
Cooling System . . . . . . . . . . . . . . 290
Engine Overheating . . . . . . . . . . 294
Washer Fluid . . . . . . . . . . . . . . . . . 296
Brakes . . . . . . . . . . . . . . . . . . . . . . . 296
Brake Fluid . . . . . . . . . . . . . . . . . . . 297
Battery - North America . . . . . . 298
All-Wheel Drive . . . . . . . . . . . . . . . 299 Starter Switch Check . . . . . . . . . 299
Park Brake and P (Park)
Mechanism Check . . . . . . . . . . 300
Wiper Blade Replacement . . . . 300
Windshield Replacement . . . . . 301
Gas Strut(s) . . . . . . . . . . . . . . . . . . 302
Headlamp Aiming
Front Headlamp Aiming . . . . . . 303
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . 303
Halogen Bulbs . . . . . . . . . . . . . . . . 303
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . . . . . . . 304
LED Lighting . . . . . . . . . . . . . . . . . 304
Front Turn Signal Lamps . . . . . 304
Taillamps . . . . . . . . . . . . . . . . . . . . . 304
License Plate Lamp . . . . . . . . . . 305
Electrical System
Electrical System Overload . . . 306
Fuses and Circuit Breakers . . . 307
Engine Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 307
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 310
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 312
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 314
All-Season Tires . . . . . . . . . . . . . . 315
Winter Tires . . . . . . . . . . . . . . . . . . 315
Summer Tires . . . . . . . . . . . . . . . . 316
Tire Sidewall Labeling . . . . . . . . 316
Tire Designations . . . . . . . . . . . . . 318
Tire Terminology andDefinitions . . . . . . . . . . . . . . . . . . 319
Tire Pressure . . . . . . . . . . . . . . . . . 321
Tire Pressure Monitor System . . . . . . . . . . . . . . . . . . . . . . 323
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . . . . . 324
Tire Inspection . . . . . . . . . . . . . . . . 328
Tire Rotation . . . . . . . . . . . . . . . . . 328
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 329
Buying New Tires . . . . . . . . . . . . . 330
Different Size Tires and Wheels . . . . . . . . . . . . . . . . . . . . . . 331
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . . . 332
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 333
Wheel Replacement . . . . . . . . . . 333
Tire Chains . . . . . . . . . . . . . . . . . . . 334
If a Tire Goes Flat . . . . . . . . . . . . 335
Tire Sealant and Compressor Kit . . . . . . . . . . . . . 336

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-13556230) - 2020 - CRC - 9/4/19
Index 413
Diesel Exhaust Fluid (DEF)Warning Light . . . . . . . . . . . . . . . . . 122
Diesel Particulate Filter . . . . . . . . . 192
Distracted Driving . . . . . . . . . . . . . . . 163
Dome Lamps . . . . . . . . . . . . . . . . . . . 149
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . 124
Delayed Locking . . . . . . . . . . . . . . . . 19
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power Locks . . . . . . . . . . . . . . . . . . . . 19
Drive Belt Routing, Engine . . . . . . 384
Drive Systems
All-Wheel Drive . . . . . . . . . . 206, 299
Driver Assistance Systems . . . . . 230
Driver Behavior . . . . . . . . . . . . . . . . . 162
Driver Information Center (DIC) . . . . . . . . . . . . . 124, 130
Driver Mode Control . . . . . . . . . . . . 214
Driving Assistance Systems . . . . . . . . . . 237
Better Fuel Economy . . . . . . . . . 163
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 262
Defensive . . . . . . . . . . . . . . . . . . . . . 164
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 164
Environment . . . . . . . . . . . . . . . . . . 163
Hill and Mountain Roads . . . . . . 172
If the Vehicle is Stuck . . . . . . . . . 174 Driving (cont'd)
Loss of Control . . . . . . . . . . . . . . . 167
Off-Road . . . . . . . . . . . . . . . . . . . . . 167
Off-Road Recovery . . . . . . . . . . . 166
Vehicle Load Limits . . . . . . . . . . . 175
Wet Roads . . . . . . . . . . . . . . . . . . . 171
Winter . . . . . . . . . . . . . . . . . . . . . . . . 173
Driving the Vehicle . . . . . . . . . . . . . . . . 3
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 155
E
Electric Parking Brake . . . . . . . . . . 207
Electric Parking Brake Light . . . . 118
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . . 271
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 307
Fuses and Circuit Breakers . . . 307
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 310
Overload . . . . . . . . . . . . . . . . . . . . . 306
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 312
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . 400 Engine
Air Cleaner/Filter . . . . . . . . . . . . . 288
Check Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . .115
Compartment Overview . . . . . . . 278
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . .112
Cooling System . . . . . . . . . . . . . . . 290
Drive Belt Routing . . . . . . . . . . . . 384
Exhaust . . . . . . . . . . . . . . . . . . . . . . 191
Heater . . . . . . . . . . . . . . . . . . . . . . . . 186
Oil Life System . . . . . . . . . . . . . . . 287
Oil Pressure Light . . . . . . . . . . . . 122
Overheating . . . . . . . . . . . . . . . . . . 294
Power Messages . . . . . . . . . . . . . 134
Running While Parked . . . . . . . . 192
Starting . . . . . . . . . . . . . . . . . . . . . . . 181
Engines Diesel Fuel . . . . . . . . . . . . . . . . . . . 250
Entry Lighting . . . . . . . . . . . . . . . . . . . 150
Equipment, Towing . . . . . . . . . . . . . 269
Event Data Recorders . . . . . . . . . . 397
Exhaust Fluid Diesel . . . . . . . . . . . . . . . . . . . . . . . . 195
Exit Lighting . . . . . . . . . . . . . . . . . . . . 150
Extended Parking . . . . . . . . . . . . . . . 190
Extender, Seat Belt . . . . . . . . . . . . . . 57

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-13556230) - 2020 - CRC - 9/4/19
Index 417
Monitor System, TirePressure . . . . . . . . . . . . . . . . . . . . . . 323
N
Navigation
Connected Services . . . . . . . . . . 407
Net, Convenience . . . . . . . . . . . . . . . 92
New Vehicle Break-In . . . . . . . . . . . 179
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . 110
Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Off-Road . . . . . . . . . . . . . . . . . . . . . . . 167
Driving . . . . . . . . . . . . . . . . . . . . . . . . 167
Recovery . . . . . . . . . . . . . . . . . . . . . 166
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 283
Engine Oil Life System . . . . . . . 287
Pressure Light . . . . . . . . . . . . . . . . 122
Older Children, Restraints . . . . . . . 70
Online Owner Center . . . . . . . . . . . 388
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 398
OnStar Additional Information . . . . . . . . . . . . . . . . . . . . 401
OnStar Emergency . . . . . . . . . . . . . 400
OnStar Overview . . . . . . . . . . . . . . . 399
OnStar Security . . . . . . . . . . . . . . . . 401
Operation Fog Lamps . . . . . . . . . . . . . . . . . . . 148 Outlets
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Overheating, Engine . . . . . . . . . . . . 294
Overview Instrument Panel . . . . . . . . . . . . . . . . 5
P
ParkShifting Out of . . . . . . . . . . . . . . . . 188
Park Assist . . . . . . . . . . . . . . . . . . . . . 231
Parking Brake and P (Park)
Mechanism Check . . . . . . . . . . 300
Extended . . . . . . . . . . . . . . . . . . . . . 190
Over Things That Burn . . . . . . . 190
Parking or Backing Assistance Systems . . . . . . . . . . 231
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . 114
Passenger Compartment Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Passenger Sensing System . . . . . 64
Pedestrian Ahead Indicator . . . . . 120
Perchlorate Materials Requirements, California . . . . . . 275
Personalization
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 135 Power
Door Locks . . . . . . . . . . . . . . . . . . . . . 19
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . 98
Protection, Battery . . . . . . . . . . . . 151
Retained Accessory (RAP) . . . 187
Seat Adjustment . . . . . . . . . . . . . . . . 39
Windows . . . . . . . . . . . . . . . . . . . . . . . 32
Pregnancy, Using Seat Belts . . . . 56
Privacy Vehicle Data Recording . . . . . . . 397
Program Courtesy Transportation . . . . . . 391
Prohibited Fuels . . . . . . . . . . . . . . . . 249
Proposition 65 Warning,
California . . . . . . . . . . . .274, 298, 349,
Back Cover
Publication Ordering Information . . . . . . . . . . . . . . . . . . . . 394
R
Radio Frequency Statement . . . . 395
Reading Lamps . . . . . . . . . . . . . . . . . 149
Rear Seats . . . . . . . . . . . . . . . . . . . . . . 46Heated . . . . . . . . . . . . . . . . . . . . . . . . . 49
Rear Vision Camera (RVC) . . . . . 231
Rear Window Washer/Wiper . . . . . 97