oil change GMC TERRAIN 2020 Owner's Guide

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/4/19
Service and Maintenance 371
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.
See Engine Air Cleaner/Filter 0288.
(5) Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water
can overcome the seals and
contaminate the transfer case fluid.
Contaminated fluid will decrease the
life of the transfer case and/or axles
and should be replaced.
(6) Or every five years, whichever
comes first. See Cooling System
0 290.
(7) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(8) Replace brake fluid every five
years. See Brake Fluid 0297.
(9) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0300.
(10) Or every 10 years, whichever
comes first. See Gas Strut(s)0302. (11)
Replace air conditioning
desiccant every seven years.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/4/19
372 Service and Maintenance
Maintenance Schedule
Additional Required
Services - Severe12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Rotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.
Drain the diesel fuel filter of water. (Diesel Only)@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Inspect evaporative control system. (2)@ @@
Diesel Engine Only: Replace fuel filter. (3)@@@@
Replace engine air cleaner filter. (4)@ @@
Change automatic transmission fluid.@@@
Replace spark plugs. Inspect spark plug wires.@ @
Change rear axle fluid, if equipped with AWD. (5)@ @
Drain and fill engine cooling system. (6)@
Visually inspect accessory drive belts. (7)@
Replace brake fluid. (8)
Replace windshield wiper blades. (9)
@ @ @ @ @ @ @ @ @ @
Replace hood and/or body lift support gas
struts. (10)@@
Replace air conditioning desiccant. (11)

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/4/19
Service and Maintenance 373
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.
See Engine Air Cleaner/Filter 0288.
(5) Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water
can overcome the seals and
contaminate the transfer case fluid.
Contaminated fluid will decrease the
life of the transfer case and/or axles
and should be replaced.
(6) Or every five years, whichever
comes first. See Cooling System
0 290.
(7) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(8) Replace brake fluid every five
years. See Brake Fluid 0297.
(9) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0300.
(10) Or every 10 years, whichever
comes first. See Gas Strut(s)0302. (11)
Replace air conditioning
desiccant every seven years.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/4/19
374 Service and Maintenance
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
0 356.
Additional
Maintenance and Care
Your vehicle is an important
investment and caring for it properly
may help to avoid future costly
repairs. To maintain vehicle
performance, additional
maintenance services may be
required.
It is recommended that your dealer
perform these services —their
trained dealer technicians know
your vehicle best. Your dealer can
also perform a thorough
assessment with a multi-point
inspection to recommend when your
vehicle may need attention.
The following list is intended to
explain the services and conditions
to look for that may indicate
services are required.
Battery
The 12-volt battery supplies power
to start the engine and operate any
additional electrical accessories. .
To avoid break-down or failure to
start the vehicle, maintain a
battery with full cranking power.
. Trained dealer technicians have
the diagnostic equipment to test
the battery and ensure that the
connections and cables are
corrosion-free.
Belts
. Belts may need replacing if they
squeak or show signs of
cracking or splitting.
. Trained dealer technicians have
access to tools and equipment
to inspect the belts and
recommend adjustment or
replacement when necessary.
Brakes
Brakes stop the vehicle and are
crucial to safe driving.
. Signs of brake wear may include
chirping, grinding, or squealing
noises, or difficulty stopping.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/4/19
Connected Services 409
vehicles, the SSID and
password can be changed in
the Wi-Fi Hotspot menu.
After initial set-up, your vehicle’s
Wi-Fi hotspot will connect
automatically to your mobile
devices. Manage data usage by
turning Wi-Fi on or off on your
mobile device, using the myGMC
mobile app, or by contacting an
OnStar Advisor. On some vehicles,
Wi-Fi can also be managed from the
Wi-Fi Hotspot menu.
MyGMC Mobile App (If Available)
Download the myGMC mobile app
to compatible Apple and Android
smartphones. GMC users can
access the following services from a
smartphone:
. Remotely start/stop the vehicle,
if factory-equipped.
. Lock/unlock doors, if equipped
with automatic locks.
. Activate the horn and lamps. .
Check the vehicle’s fuel level,
oil life, or tire pressure,
if factory-equipped with the Tire
Pressure Monitor System.
. Send destinations to the vehicle.
. Locate the vehicle on a map
(U.S. market only).
. Turn the vehicle's Wi-Fi hotspot
on/off, manage settings, and
monitor data consumption,
if equipped.
. Locate a dealer and schedule
service.
. Request roadside assistance.
. Set a parking reminder with pin
drop, take a photo, make a note,
and set a timer.
. Connect with GMC on social
media.
Features are subject to change. For
myGMC mobile app information and
compatibility, see my.gmc.com.
An active OnStar or connected
service plan may be required.
A compatible device,
factory-installed remote start, and power locks are required. Data rates
apply. See www.onstar.com for
details and system limitations.
Remote Services
Contact an OnStar Advisor to
unlock the doors or sound the horn
and flash the lamps.
Marketplace
OnStar Advisors can provide offers
from restaurants and retailers on
your route, help locate hotels,
or book a room. These services
vary by market.
Diagnostics
By monitoring and reporting on the
vehicle's key systems, OnStar
Advanced Diagnostics, if equipped,
provides a way to keep up on
maintenance. Capabilities vary by
model. See www.onstar.com for
details and system limitations.
Features are subject to change. For
updates on feature capabilities, see
my.gmc.com. Message and data
rates may apply.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-13556230) - 2020 - CRC - 9/4/19
416 Index
LATCH, Lower Anchors andTethers for Children . . . . . . . . . . . . 77
LED Lighting . . . . . . . . . . . . . . . . . . . . 304
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . 150
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Illumination Control . . . . . . . . . . . 149
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 304
Lights Airbag Readiness . . . . . . . . . . . . . .113
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . .118
Brake System Warning . . . . . . . .117
Charging System . . . . . . . . . . . . . .115
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . .115
Cruise Control . . . . . . . . . . . . . . . . 124
Diesel Exhaust Fluid (DEF) . . . 122
Door Ajar . . . . . . . . . . . . . . . . . . . . . 124
Electric Parking Brake . . . . . . . . .118
Engine Oil Pressure . . . . . . . . . . 122
Flash-to-Pass . . . . . . . . . . . . . . . . . 146
Front Fog Lamp . . . . . . . . . . . . . . 123
High-Beam On . . . . . . . . . . . . . . . . 123
High/Low Beam Changer . . . . . 146
Hill Descent Control . . . . . . . . . . .119
Lane Keep Assist . . . . . . . . . . . . . .119 Lights (cont'd)
Low Fuel Warning . . . . . . . . . . . . 122
Seat Belt Reminders . . . . . . . . . . .113
Security . . . . . . . . . . . . . . . . . . . . . . 123
Service Electric Parking
Brake . . . . . . . . . . . . . . . . . . . . . . . .118
StabiliTrak OFF . . . . . . . . . . . . . . . 120
Tire Pressure . . . . . . . . . . . . . . . . . 121
Tow/Haul Mode . . . . . . . . . . . . . . . .119
Traction Control System (TCS)/StabiliTrak . . . . . . . . . . . . 120
Traction Off . . . . . . . . . . . . . . . . . . . 120
Wait to Start . . . . . . . . . . . . . . . . . . 121
Locks
Automatic Door . . . . . . . . . . . . . . . . . 20
Delayed Locking . . . . . . . . . . . . . . . . 19
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Lockout Protection . . . . . . . . . . . . . . 20
Power Door . . . . . . . . . . . . . . . . . . . . . 19
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Loss of Control . . . . . . . . . . . . . . . . . 167
Low Fuel Warning Light . . . . . . . . . 122
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 77
Lumbar Adjustment . . . . . . . . . . . . . . 40 Front Seats . . . . . . . . . . . . . . . . . . . . . 40M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . 380
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . 374
Maintenance Schedule . . . . . . . . . 368 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 377
Malfunction Indicator Lamp . . . . . 115
Manual Mode . . . . . . . . . . . . . . . . . . . 205
Memory Seats . . . . . . . . . . . . . . . . . . . 41
Messages Engine Power . . . . . . . . . . . . . . . . 134
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 134
Vehicle Speed . . . . . . . . . . . . . . . . 135
Mirrors Automatic Dimming . . . . . . . . . . . . . 30
Automatic DimmingRearview . . . . . . . . . . . . . . . . . . . . . . 31
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 29
Folding . . . . . . . . . . . . . . . . . . . . . . . . . 30
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 30
Manual Rearview . . . . . . . . . . . . . . . 31
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Tilt in Reverse . . . . . . . . . . . . . . . . . . 30
Mirrors, Interior Rearview . . . . . . . . 31
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 214 Driver Control . . . . . . . . . . . . . . . . . 214