2018 GMC ACADIA roof

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349114) - 2018 - crc - 9/21/17
116 Storage
Cargo Management System
Removal1. Turn both knobs to the unlock position.
2. Press the buttons and pull up to remove the divider.
3. Store the divider outside of the vehicle.Roof Rack System
{Warning
If something is carried on top of
the vehicle that is longer or wider
than the roof rack —like paneling,
plywood, or a mattress —the
wind can catch it while the vehicle
is being driven. The item being
carried could be violently torn off,
and this could cause a collision
and damage the vehicle. Never
carry something longer or wider
than the roof rack on top of the
vehicle unless using a GM
certified accessory carrier.
If equipped, the roof rack can be
used to load items. For roof racks
that do not have crossrails included,
GM certified crossrails can be
purchased as an accessory. See
your dealer.
Caution
Loading cargo on the roof rack
that weighs more than 100 kg
(220 lb) or hangs over the rear or
sides of the vehicle may damage
the vehicle. Load cargo so that it
rests evenly between the
crossrails, making sure to fasten
cargo securely.
To prevent damage or loss of cargo
when driving, check to make sure
crossrails and cargo are securely
fastened. Loading cargo on the roof

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349114) - 2018 - crc - 9/21/17
Infotainment System 181
especially around tall buildings or
hills, causing the sound to fade in
and out.
AM
The range for most AM stations is
greater than for FM, especially at
night. The longer range can cause
station frequencies to interfere with
each other. Static can occur when
things like storms and power lines
interfere with radio reception. When
this happens, try reducing the treble
on the radio.
SiriusXM Satellite Radio
Service
SiriusXM Satellite Radio Service
gives digital radio reception from
coast to coast in the 48 contiguous
United States, and in Canada. Just
as with FM, tall buildings or hills can
interfere with satellite radio signals,
causing the sound to fade in and
out. In addition, traveling or standing
under heavy foliage, bridges,
garages, or tunnels may cause loss
of the SiriusXM signal for a period
of time.
Cell Phone Usage
Cell phone usage, such as making
or receiving phone calls, charging,
or just having the phone on may
cause static interference in the
radio. Unplug the phone or turn it off
if this happens.
Multi-Band Antenna
The multi-band antenna is on the
roof of the vehicle. The antenna is
used for the AM-FM radio, OnStar,
the SiriusXM Satellite Radio Service
System, and GPS (Global
Positioning System), if the vehicle
has these features. Keep the
antenna clear of obstructions for
clear reception.
If the vehicle has a sunroof, and it is
open, reception can also be
affected.
Audio Players
USB Port
Using the USB Port
The infotainment system can play
music by connecting an auxiliary
device to the USB port.
USB Support
If equipped, the USB ports are in
the center stack, and use the
USB 2.0 standard.
USB Supported Devices
.USB Flash Drives
. Portable USB Hard Drives
Not all iPods and USB drives are
compatible with the USB port.
Make sure the iPod has the latest
firmware from Apple for proper
operation. iPod firmware can be
updated using the latest iTunes
®
application. See www.apple.com/
itunes.
For help with identifying your iPod,
see www.apple.com/support.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349114) - 2018 - crc - 9/21/17
210 Driving and Operating
Before Driving Off-Road
.Have all necessary maintenance
and service work completed.
. Fuel the vehicle, fill fluid levels,
and check inflation pressure in
all tires, including the spare,
if equipped.
. Read all the information about
all-wheel-drive vehicles in this
manual.
. Make sure all underbody
shields, if equipped, are properly
attached.
. Know the local laws that apply to
off-road driving.
To gain more ground clearance if
needed, it may be necessary to
remove the front fascia lower air
dam. However, driving without the
air dam reduces fuel economy.Caution
Operating the vehicle for
extended periods without the front
fascia lower air dam installed can
cause improper airflow to the
engine. Reattach the front fascia
air dam after off-road driving.
Loading the Vehicle for
Off-Road Driving
{Warning
. Unsecured cargo on the
load floor can be tossed
about when driving over
rough terrain. You or your
passengers can be struck
by flying objects. Secure the
cargo properly.
. Keep cargo in the cargo
area as far forward and as
low as possible. The
(Continued)
Warning (Continued)
heaviest things should be
on the floor, forward of the
rear axle.
. Heavy loads on the roof
raise the vehicle's center of
gravity, making it more likely
to roll over. You can be
seriously or fatally injured if
the vehicle rolls over. Put
heavy loads inside the
cargo area, not on the roof.
For more information about loading
the vehicle, see Vehicle Load Limits
0 217.
Environmental Concerns
.
Always use established trails,
roads, and areas that have been
set aside for public off-road
recreational driving and obey all
posted regulations.
. Do not damage shrubs, flowers,
trees, or grasses or disturb
wildlife.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349114) - 2018 - crc - 9/21/17
Driving and Operating 225
Engine Heater
The engine heater can provide
easier starting and better fuel
economy during engine warm-up in
cold weather conditions at or below
0 °F (−18 °C). Vehicles with an
engine heater should be plugged in
at least four hours before starting.
Some models may have an internal
thermostat in the cord which will
prevent engine heater operation at
temperatures above 0 °F (−18 °C).
{Warning
Do not plug in the engine block
heater while the vehicle is parked
in a garage or under a carport.
Property damage or personal
injury may result. Always park the
vehicle in a clear open area away
from buildings or structures.
To Use the Engine Heater
1. Turn off the engine.
2. Open the hood and unwrap theelectrical cord. The bundled
cord is on the driver side of the
engine compartment, in front of
the battery. See Engine
Compartment Overview 0283.
Check the heater cord for
damage. If it is damaged, do
not use it. See your dealer for
a replacement. Inspect the
cord for damage yearly.
3. Plug the cord into a normal, grounded 110-volt AC outlet.
{Warning
Improper use of the heater cord
or an extension cord can damage
the cord and may result in
overheating and fire.
. Plug the cord into a
three-prong electrical utility
receptacle that is protected
by a ground fault detection
function. An ungrounded
outlet could cause an
electric shock.
. Use a weatherproof,
heavy-duty, 15 amp-rated
extension cord if needed.
Failure to use the
recommended extension
cord in good operating
condition, or using a
damaged heater or
extension cord, could make
(Continued)

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349114) - 2018 - crc - 9/21/17
226 Driving and Operating
Warning (Continued)
it overheat and cause a fire,
property damage, electric
shock, and injury.
. Do not operate the vehicle
with the heater cord
permanently attached to the
vehicle. Possible heater
cord and thermostat
damage could occur.
. While in use, do not let the
heater cord touch vehicle
parts or sharp edges. Never
close the hood on the
heater cord.
. Before starting the vehicle,
unplug the cord, reattach
the cover to the plug, and
securely fasten the cord.
Keep the cord away from
any moving parts.
4. Before starting the engine, be sure to unplug and store the
cord as it was before to keep it away from moving engine
parts. If you do not, it could be
damaged.
The length of time the heater should
remain plugged in depends on
several factors. Ask a dealer in the
area where you will be parking the
vehicle for the best advice on this.
Retained Accessory
Power (RAP)
Some vehicle accessories may be
used after the ignition is turned off.
The power windows and sunroof,
if equipped, will continue to work for
up to 10 minutes or until any door is
opened.
The infotainment system will
continue to work for 10 minutes,
until the driver door is opened,
or until the ignition is turned on or
placed in ACC/ACCESSORY.
Shifting Into Park
1. Hold the brake pedal down and set the parking brake. See
Electric Parking Brake 0233. 2. Move the shift lever into
P (Park) by holding in the
button on the shift lever and
pushing the shift lever all the
way toward the front of the
vehicle.
3. Turn the ignition off.
Leaving the Vehicle with the
Engine Running
{Warning
It can be dangerous to leave the
vehicle with the engine running.
It could overheat and catch fire.
It is dangerous to get out of the
vehicle if the shift lever is not fully
in P (Park) with the parking brake
firmly set. The vehicle can roll.
Do not leave the vehicle when the
engine is running. If you have left
the engine running, the vehicle
can move suddenly. You or others
could be injured. To be sure the
vehicle will not move, even when
you are on fairly level ground, (Continued)

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349114) - 2018 - crc - 9/21/17
Vehicle Care 311
FusesUsage
F14 Left front heated seat
F15 Instrument panel switch bank
F16 Sunroof
F17 Body control module 1
F18 Instrument cluster
F19 –
F20 Rear seat entertainment
F21 Body control module 4
F22 Infotainment USB data/Aux jack
F23 Body control module 2
F24 USB charger/ Wireless charging
F25 Parking assist
F26 CIM
F27 Video Fuses
Usage
F28 Heating, ventilation, and air
conditioning
display
F29 Radio
F30 Steering wheel adjustment controls
F31 Front blower
F32 DC AC inverter
F33 Driver power seat
F34 Passenger power seat
F35 Battery IEC 1 feed
F36 Electric power steering
F37 Rear seat entertainment/USB
charge/Wireless
charging module
F38 Body control module 8
F39 – Circuit
Breakers Usage
F40 –
F41 –
F42 Auxiliary power outlet/Lighter
Rear Compartment Fuse
Block
The rear compartment fuse block is
behind a trim panel on the driver
side of the rear storage
compartment.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349114) - 2018 - crc - 9/21/17
370 Service and Maintenance
.Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts.
. Lubricate body components. See
Exterior Care 0358.
. Check starter switch. See Starter
Switch Check 0300.
. Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check
0300.
. Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check
0 300.
. Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
. Visually inspect gas strut for
signs of wear, cracks, or other
damage. Check the hold open
ability of the strut. If the hold
open ability is low, service the
gas strut. See Gas Strut(s)
0 302. .
Check tire sealant expiration
date, if equipped. See Tire
Sealant and Compressor Kit
0 337.
. Inspect sunroof track and seal,
if equipped. See Sunroof053.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349114) - 2018 - crc - 9/21/17
418 Index
Replacement Parts (cont'd)Maintenance . . . . . . . . . . . . . . . . . . 378
Replacing Airbag System . . . . . . . . 91
Replacing LATCH System Parts after a Crash . . . . . . . . . . . . 105
Replacing Seat Belt System Parts after a Crash . . . . . . . . . . . . . 78
Reporting Safety Defects Canadian Government . . . . . . . . 395
General Motors . . . . . . . . . . . . . . . 395
U.S. Government . . . . . . . . . . . . . 394
Restraints Where to Put . . . . . . . . . . . . . . . . . . . 97
Retained Accessory
Power (RAP) . . . . . . . . . . . . . . . . . . 226
Reverse Tilt Mirrors . . . . . . . . . . . . . . 50
Roads Driving, Wet . . . . . . . . . . . . . . . . . . 214
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . . 388
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 53
Roof Rack System . . . . . . . . . . . . . . 116
Rotation, Tires . . . . . . . . . . . . . . . . . . 328
Routing, Engine Drive Belt . . . . . . 383
Running the Vehicle While
Parked . . . . . . . . . . . . . . . . . . . . . . . . 229S
Safety Defects ReportingCanadian Government . . . . . . . . 395
General Motors . . . . . . . . . . . . . . . 395
U.S. Government . . . . . . . . . . . . . 394
Safety Locks . . . . . . . . . . . . . . . . . . . . . 41
Safety System Check . . . . . . . . . . . . 77
Satellite Radio . . . . . . . . . . . . . . . . . . 179
Scheduling Appointments . . . . . . . 390
Sealant Kit, Tire . . . . . . . . . . . . . . . . 337
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . 71 Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Extender . . . . . . . . . . . . . . . . . . . . . . . . 77
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . 72
Lap-Shoulder Belt . . . . . . . . . . . . . . 73
Reminders . . . . . . . . . . . . . . . . . . . . 134
Replacing after a Crash . . . . . . . . 78
Use During Pregnancy . . . . . . . . . . 76
Seats Adjustment, Front . . . . . . . . . . . . . . . 59
Head Restraints . . . . . . . . . . . . . . . . 57
Heated and Ventilated Front . . . . 64
Heated, Rear . . . . . . . . . . . . . . . . . . . 69
Lumbar Adjustment, Front . . . . . . 60
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 62
Power Adjustment, Front . . . . . . . 60
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Seats (cont'd)
Reclining Seatbacks . . . . . . . . . . . . 60
Third Row Seat . . . . . . . . . . . . . . . . . 70
Securing Child
Restraints . . . . . . . . . . . . . . . . 105, 108
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . 144
OnStar . . . . . . . . . . . . . . . . . . . . . . . 400
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 47
Vehicle Alarm . . . . . . . . . . . . . . . . . . . 47
Service . . . . . . . . . . . . . . . . . . . . . . . . . 204 Accessories andModifications . . . . . . . . . . . . . . . . 281
Doing Your Own Work . . . . . . . . 281
Maintenance Records . . . . . . . . 379
Maintenance, General
Information . . . . . . . . . . . . . . . . . . 367
Parts Identification Label . . . . . 380
Publications Ordering
Information . . . . . . . . . . . . . . . . . . 393
Scheduling Appointments . . . . . 390
Service Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . 139
Services Special Application . . . . . . . . . . . 374
Servicing the Airbag . . . . . . . . . . . . . 89