
GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146149) - 2019 - crc - 7/30/18
Service and Maintenance 379
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.@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@
Change automatic transmission fluid.@@@
Replace spark plugs. Inspect spark plug wires.@
Drain and fill engine cooling system. (4)@
Visually inspect accessory drive belts. (5)@
Replace brake fluid. (6)
Replace windshield wiper blades. (7)
@ @ @ @ @ @ @ @ @ @
Replace hood and/or body lift support gas struts.@ @
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.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146149) - 2019 - crc - 7/30/18
Service and Maintenance 381
.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. .
Trained dealer technicians have
access to tools and equipment
to inspect the brakes and
recommend quality parts
engineered for the vehicle.
Fluids
Proper fluid levels and approved
fluids protect the vehicle’s systems
and components. See
Recommended Fluids and
Lubricants 0383 for GM approved
fluids.
. Engine oil and windshield
washer fluid levels should be
checked at every fuel fill.
. Instrument cluster lights may
come on to indicate that fluids
may be low and need to be
filled.
Hoses
Hoses transport fluids and should
be regularly inspected to ensure
that there are no cracks or leaks.
With a multi-point inspection, your
dealer can inspect the hoses and
advise if replacement is needed. Lamps
Properly working headlamps,
taillamps, and brake lamps are
important to see and be seen on
the road.
.
Signs that the headlamps need
attention include dimming, failure
to light, cracking, or damage.
The brake lamps need to be
checked periodically to ensure
that they light when braking.
. With a multi-point inspection,
your dealer can check the lamps
and note any concerns.
Shocks and Struts
Shocks and struts help aid in control
for a smoother ride.
. Signs of wear may include
steering wheel vibration, bounce/
sway while braking, longer
stopping distance, or uneven
tire wear.
. As part of the multi-point
inspection, trained dealer
technicians can visually inspect
the shocks and struts for signs

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146149) - 2019 - crc - 7/30/18
414 Connected Services
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.
OnStar Hands-Free Calling
Make and receive calls with the
built-in wireless calling service,
which requires available minutes.
Functionality of the Voice Command
button may vary by vehicle and
region. For some vehicles, press
=
to open the OnStar app on the
infotainment display, then select
Hands-Free calling. For other
vehicles press
=as follows.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12146149) - 2019 - crc - 7/30/18
Index 419
Drive Belt Routing, Engine . . . . . . 389
Drive SystemsAll-Wheel Drive . . . . . . . . . . 233, 305
Driver Assistance Systems . . . . . 251
Driver Information Center (DIC) . . . . . . . . . . . . . 145, 148
Driver Mode Control . . . . . . . . . . . . 239
Driving
Assistance Systems . . . . . . . . . . 257
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 271
Defensive . . . . . . . . . . . . . . . . . . . . . 207
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 207
For Better Fuel Economy . . . . . . . 26
Hill and Mountain Roads . . . . . . 215
If the Vehicle is Stuck . . . . . . . . . 217
Loss of Control . . . . . . . . . . . . . . . 209
Off-Road . . . . . . . . . . . . . . . . . . . . . 209
Off-Road Recovery . . . . . . . . . . . 208
Vehicle Load Limits . . . . . . . . . . . 217
Wet Roads . . . . . . . . . . . . . . . . . . . 214
Winter . . . . . . . . . . . . . . . . . . . . . . . . 215
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 198
E
Electric Parking Brake . . . . . . . . . . 234
Electric Parking Brake Light . . . . 139 Electrical Equipment,
Add-On . . . . . . . . . . . . . . . . . . . . . . . 283
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . .311
Fuses and Circuit Breakers . . . 310
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 314
Overload . . . . . . . . . . . . . . . . . . . . . 310
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 316
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . 405
Engine Air Cleaner/Filter . . . . . . . . . . . . . 295
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 136
Compartment Overview . . . . . . . 288
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 133
Cooling System . . . . . . . . . . . . . . . 296
Drive Belt Routing . . . . . . . . . . . . 389
Exhaust . . . . . . . . . . . . . . . . . . . . . . 229
Heater . . . . . . . . . . . . . . . . . . . . . . . . 225
Oil Life System . . . . . . . . . . . . . . . 293
Oil Pressure Light . . . . . . . . . . . . 142
Overheating . . . . . . . . . . . . . . . . . . 300
Power Messages . . . . . . . . . . . . . 151 Engine (cont'd)
Running While Parked . . . . . . . . 229
Starting . . . . . . . . . . . . . . . . . . . . . . . 223
Entry Lighting . . . . . . . . . . . . . . . . . . . 170
Equipment, Towing . . . . . . . . . . . . . 278
Event Data Recorders . . . . . . . . . . 402
Exit Lighting . . . . . . . . . . . . . . . . . . . . 171
Extended Parking . . . . . . . . . . . . . . . 228
Extender, Seat Belt . . . . . . . . . . . . . . 77
Exterior Lamp Controls . . . . . . . . . 164
Exterior Lamps Off Reminder . . . 166
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 172
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . . 12
Filter, Engine Air Cleaner . . . . . . . . . . . 295
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 166
Flashers, Hazard Warning . . . . . . 168
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 340 Changing . . . . . . . . . . . . . . . . . . . . . 349
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 371
Fluid
Automatic Transmission . . . . . . 294
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 303
Washer . . . . . . . . . . . . . . . . . . . . . . . 301

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12146149) - 2019 - crc - 7/30/18
Index 421
High-Beam On Light . . . . . . . . . . . . 144
High-Speed Operation . . . . . . . . . . 328
Hill and Mountain Roads . . . . . . . . 215
Hill Descent Control (HDC) . . . . . 238
Hill Descent Control Light . . . . . . . 140
Hill Start Assist (HSA) . . . . . . . . . . 235
Home Page . . . . . . . . . . . . . . . . . . . . . 176
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . . 72
HVAC . . . . . . . . . . . . . . . . . . . . . . 198, 201
I
Ignition Positions . . . . . . . . . . . . . . . 221
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 48
Indicator Pedestrian Ahead . . . . . . . . . . . . 141
Vehicle Ahead . . . . . . . . . . . . . . . . 140
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . . 93
Information Publication Ordering . . . . . . . . . . 399
Infotainment . . . . . . . . . . . . . . . . . . . . 173
Infotainment System . . . . . . . . . . . . 403
Instrument Cluster . . . . . . . . . . . . . . 127
Interior Rearview Mirrors . . . . . . . . . 50
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . . . . . . . . . . . . . . . . . . . . . 356
K
Keyless EntryRemote (RKE) System . . . . . . . . . 29
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
L
Labeling, Tire Sidewall . . . . . . . . . . 321
Lamps Courtesy . . . . . . . . . . . . . . . . . . . . . . 169
Daytime Running (DRL) . . . . . . 166
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 169
Exterior Controls . . . . . . . . . . . . . . 164
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . 166
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . 172
License Plate . . . . . . . . . . . . . . . . . 309
Malfunction Indicator
(Check Engine) . . . . . . . . . . . . . 136
On Reminder . . . . . . . . . . . . . . . . . 144
Reading . . . . . . . . . . . . . . . . . . . . . . 170
Lane Change Alert (LCA) . . . . . . . 264
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . 265
Lane Keep Assist (LKA) . . . . . . . . 266 Lane Keep Assist Light . . . . . . . . . 140
Lap-Shoulder Belt . . . . . . . . . . . . . . . 74
LATCH System
Replacing Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . 105
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . 99
LED Lighting . . . . . . . . . . . . . . . . . . . . 309
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . 170
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Illumination Control . . . . . . . . . . . 169
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 309
Lights Airbag Readiness . . . . . . . . . . . . . 135
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 139
Brake System Warning . . . . . . . 138
Charging System . . . . . . . . . . . . . 136
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . 136
Cruise Control . . . . . . . . . . . . . . . . 144
Door Ajar . . . . . . . . . . . . . . . . . . . . . 145
Electric Parking Brake . . . . . . . . 139
Engine Oil Pressure . . . . . . . . . . 142
Flash-to-Pass . . . . . . . . . . . . . . . . . 166
Front Fog Lamp . . . . . . . . . . . . . . 144