2019 GMC ACADIA climate control

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146149) - 2019 - crc - 7/30/18
224 Driving and Operating
Caution (Continued)
battery. Wait at least 15 seconds
between each try, to let the
cranking motor cool down.
2. If the engine does not start after five to 10 seconds,
especially in very cold weather
(below −18 °C or 0 °F), it could
be flooded with too much
gasoline. Try pushing the
accelerator pedal all the way to
the floor and holding it there as
you press ENGINE START/
STOP, for up to a maximum of
15 seconds. Wait at least
15 seconds between each try,
to allow the cranking motor to
cool down. When the engine
starts, let go of the button and
the accelerator. If the vehicle
starts briefly but then stops
again, do the same thing. This
clears the extra gasoline from
the engine. Do not race the
engine immediately after
starting it. Operate the engine and transmission gently until
the oil warms up and lubricates
all moving parts.
Stop/Start System
If equipped, the Stop/Start system
will shut off the engine to help
conserve fuel. It has components
designed for the increased number
of starts.
{Warning
The automatic engine Stop/Start
feature causes the engine to shut
off while the vehicle is still on. Do
not exit the vehicle before shifting
to P (Park). The vehicle may
restart and move unexpectedly.
Always shift to P (Park), and then
turn the ignition off before exiting
the vehicle.
Auto Engine Stop/Start
When the brakes are applied and
the vehicle is at a complete stop,
the engine may turn off. When
stopped, the tachometer displays AUTO STOP. See
Tachometer
0 131. When the brake pedal is
released or the accelerator pedal is
pressed, the engine will restart.
To maintain vehicle performance,
other conditions may cause the
engine to automatically restart
before the brake pedal is released.
Auto Stops may not occur and/or
auto restarts may occur because:
. The climate control settings
require the engine to be running
to cool or heat the vehicle
interior.
. The vehicle battery charge
is low.
. The vehicle battery has recently
been disconnected.
. Minimum vehicle speed has not
been reached since the last
Auto Stop
. The accelerator pedal is
pressed.
. The engine or transmission is
not at the required operating
temperature.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146149) - 2019 - crc - 7/30/18
Driving and Operating 273
Warning (Continued)
.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 0229.
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
the combination by driving on a
level road surface before driving on
public roads.
The trailer structure, the tires, and
the brakes must be all be rated to
carry the intended cargo.
Inadequate trailer equipment can
cause the combination to operate in an unexpected or unsafe manner.
Before driving, inspect all trailer
hitch parts and attachments, safety
chains, electrical connectors, lamps,
tires, and mirrors. See
Towing
Equipment 0278. If the trailer has
electric brakes, start the
combination moving and then
manually apply the trailer brake
controller to check the trailer brakes
work. During the trip, occasionally
check that the cargo and trailer are
secure and that the lamps and any
trailer brakes are working.
Towing with a Stability Control
System
When towing, the stability control
system might be heard. The system
reacts to 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 without a trailer. This can
help to avoid heavy braking and
sudden turns.
Passing
More passing distance is needed
when towing a trailer. The
combination of the vehicle and
trailer will not accelerate as quickly
and is much longer than the vehicle
alone. It is necessary to go much
farther beyond the passed vehicle
before returning to the lane. Pass
on level roadways. Avoid passing
on hills if possible.
Backing Up
Hold the bottom of the steering
wheel with one hand. To move the
trailer to the left, move that hand to
the left. To move the trailer to the
right, move that hand to the right.
Always back up slowly and,
if possible, have someone
guide you.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-12146149) - 2019 - crc - 7/30/18
338 Vehicle Care
Quality grades can be found
where applicable on the tire
sidewall between tread shoulder
and maximum section width. For
example:
Treadwear 200 Traction AA
Temperature A
All Passenger Car Tires Must
Conform to Federal Safety
Requirements In Addition To
These Grades.
Treadwear
The treadwear grade is a
comparative rating based on the
wear rate of the tire when tested
under controlled conditions on a
specified government test
course. For example, a tire
graded 150 would wear one and
one-half (1½) times as well on
the government course as a tire
graded 100. The relative
performance of tires depends
upon the actual conditions of
their use, however, and may
depart significantly from thenorm 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 resistance
to 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,

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/-
Mexico-12146149) - 2019 - crc - 7/30/18
418 Index
Child RestraintsInfants and Young Children . . . . . 93
Lower Anchors and Tethers
for Children . . . . . . . . . . . . . . . . . . . 99
Older Children . . . . . . . . . . . . . . . . . . 91
Securing . . . . . . . . . . . . . . . . . 106, 108
Systems . . . . . . . . . . . . . . . . . . . . . . . . 96
Circuit Breakers . . . . . . . . . . . . . . . . 310
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 363
Interior Care . . . . . . . . . . . . . . . . . . 368
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . 198
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Cluster, Instrument . . . . . . . . . . . . . 127
Collision Damage Repair . . . . . . . 397
Compact Spare Tire . . . . . . . . . . . . 355
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . . 111
Compass . . . . . . . . . . . . . . . . . . . . . . . 122
Compressor Kit, Tire Sealant . . . 342
Connected Services
Connections . . . . . . . . . . . . . . . . . . 413
Diagnostics . . . . . . . . . . . . . . . . . . . 415
Navigation . . . . . . . . . . . . . . . . . . . . 412 Connections
Connected Services . . . . . . . . . . 413
Control Hill Descent . . . . . . . . . . . . . . . . . . 238
Traction and ElectronicStability . . . . . . . . . . . . . . . . . . . . . 236
Control Light
Hill Descent . . . . . . . . . . . . . . . . . . 140
Control of a Vehicle . . . . . . . . . . . . . 207
Convex Mirrors . . . . . . . . . . . . . . . . . . 49
Coolant Engine Temperature Gauge . . 133
Cooling . . . . . . . . . . . . . . . . . . . . 198, 201
Cooling System . . . . . . . . . . . . . . . . . 296
Courtesy Lamps . . . . . . . . . . . . . . . . 169
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 396
Cover Cargo . . . . . . . . . . . . . . . . . . . . . . . . . .113
Cruise Control . . . . . . . . . . . . . . . . . . 240 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Cruise Control, Adaptive . . . . . . . . 243
Customer Assistance . . . . . . . . . . . 393 Offices . . . . . . . . . . . . . . . . . . . . . . . . 392
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 393 Customer Information
Publications Ordering
Information . . . . . . . . . . . . . . . . . . 399
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 390
D
Damage Repair, Collision . . . . . . . 397
Danger, Warning, and Caution . . . . 2
Data CollectionInfotainment System . . . . . . . . . . 403
OnStar . . . . . . . . . . . . . . . . . . . . . . . 403
Data Recorders, Event . . . . . . . . . 402
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 166
Defensive Driving . . . . . . . . . . . . . . . 207
Delayed Locking . . . . . . . . . . . . . . . . . 39
Devices Auxiliary . . . . . . . . . . . . . . . . . . . . . . 187
Diagnostics Connected Services . . . . . . . . . . 415
Distracted Driving . . . . . . . . . . . . . . . 206
Dome Lamps . . . . . . . . . . . . . . . . . . . 169
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . 145
Delayed Locking . . . . . . . . . . . . . . . . 39
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Power Locks . . . . . . . . . . . . . . . . . . . . 39

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 423
OnStar Emergency . . . . . . . . . . . . . 405
OnStar Overview . . . . . . . . . . . . . . . 404
OnStar Security . . . . . . . . . . . . . . . . 406
OperationFog Lamps . . . . . . . . . . . . . . . . . . . 168
Infotainment System . . . . . . . . . . 176
Outlets
Power . . . . . . . . . . . . . . . . . . . . . . . . 124
Overheating, Engine . . . . . . . . . . . . 300
Overview . . . . . . . . . . . . . . . . . . . . . . . 175
P
Park Shifting Into . . . . . . . . . . . . . . . . . . . 226
Shifting Out of . . . . . . . . . . . . . . . . 227
Park Assist . . . . . . . . . . . . . . . . . . . . . 253
Parking Brake and P (Park)Mechanism Check . . . . . . . . . . 305
Extended . . . . . . . . . . . . . . . . . . . . . 228
Over Things That Burn . . . . . . . 228
Parking or Backing Assistance Systems . . . . . . . . . . 253
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . 135
Passenger Compartment Air
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Passenger Sensing System . . . . . 85 Pedestrian Ahead Indicator . . . . . 141
Perchlorate Materials
Requirements, California . . . . . . 286
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . 152
Phone Apple CarPlay and
Android Auto . . . . . . . . . . . . . . . . 193
Bluetooth . . . . . . . . . . . . . . . . 188, 189
Hands-Free . . . . . . . . . . . . . . . . . . . 194
Port
USB . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Power Door Locks . . . . . . . . . . . . . . . . . . . . . 39
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Outlets . . . . . . . . . . . . . . . . . . . . . . . 124
Protection, Battery . . . . . . . . . . . . 171
Retained Accessory (RAP) . . . 226
Seat Adjustment . . . . . . . . . . . . . . . . 59
Windows . . . . . . . . . . . . . . . . . . . . . . . 51
Pregnancy, Using Seat Belts . . . . 76
Privacy
Vehicle Data Recording . . . . . . . 402
Program Courtesy Transportation . . . . . . 396
Prohibited Fuels . . . . . . . . . . . . . . . . 268 Proposition
65 Warning,
California . . . . . . . . . . . .285, 304, 356,
Back Cover
Publication Ordering Information . . . . . . . . . . . . . . . . . . . . 399
R
Radio Frequency Statement . . . . 400
Radio Reception . . . . . . . . . . . . . . . . 180
RadiosAM-FM Radio . . . . . . . . . . . . . . . . . 178
Satellite . . . . . . . . . . . . . . . . . . . . . . . 179
Reading Lamps . . . . . . . . . . . . . . . . . 170
Rear Climate Control System . . . 201
Rear Seats . . . . . . . . . . . . . . . . . . . . . . 66 Heated . . . . . . . . . . . . . . . . . . . . . . . . . 69
Rear Storage . . . . . . . . . . . . . . . . . . . 112
Rear Vision Camera (RVC) . . . . . 253
Rear Window Washer/Wiper . . . . 121
Rearview Mirrors . . . . . . . . . . . . . . . . 50 Automatic Dimming . . . . . . . . . . . . . 50
Reclining Seatbacks . . . . . . . . . . . . . 59
Recommended Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 268
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . 383