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GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/5/19
Vehicle Care 341
27. After temporarily sealing a tireusing the tire sealant and
compressor kit, take the
vehicle to an authorized dealer
within 161 km (100 mi) of
driving to have the tire repaired
or replaced.
Using the Tire Sealant and
Compressor Kit without
Sealant to Inflate a Tire (Not
Punctured)
The kit includes:
1. Sealant Canister Inlet Valve
2. Sealant/Air Hose
3. Base of Sealant Canister 4. Tire Sealant Canister
5. On/Off Button
6. Slot on Top of Compressor
7. Pressure Deflation Button
8. Pressure Gauge
9. Power Plug
10. Air Only Hose
If a tire goes flat, avoid further tire
and wheel damage by driving slowly
to a level place. Turn on the hazard
warning flashers. See
Hazard
Warning Flashers 0147.
See If a Tire Goes Flat 0335 for
other important safety warnings. 1. Remove the compressor from
its storage location. See
Storing the Tire Sealant and
Compressor Kit 0342.
2. Remove the air only hose (10) and the power plug (9) from the
bottom of the compressor.
3. Place the compressor on the ground near the flat tire.
Make sure the tire valve stem
is positioned close to the
ground so the hose will
reach it.
4. Remove the valve stem cap from the flat tire by turning it
counterclockwise.
5. Attach the air only hose (10) to the tire valve stem by turning it
clockwise until tight.
6. Plug the power plug (9) into the accessory power outlet in the
vehicle. Unplug all items from
other accessory power outlets.
See Power Outlets 098.
If the vehicle has an accessory
power outlet, do not use the
cigarette lighter.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/5/19
Vehicle Care 343
3. Turn the retainer nutcounterclockwise to remove the
tire sealant and compressor
kit bag.
4. Remove the tire sealant and compressor kit from the bag.
To store the tire sealant and
compressor kit, reverse the steps.
Tire Changing
Removing the Spare Tire and
Tools
1. Tow Eye (If Equipped)
2. Capless Funnel Adapter (If Equipped)
3. Wheel Wrench
4. Strap
5. Jack
6. Screwdriver (If Equipped)
To access the spare tire and tools:
1. Open the liftgate. See Liftgate
0 21. 2. Fold the rear part of the load
floor to the front, pull it
rearward to disengage the
clips, then pull upward to
remove it.
3. Pull the spare tire cover forward and upward to
remove it.
4. Turn the retainer nut counterclockwise to remove the
spare tire. Place the spare tire
next to the tire being changed.
5. The jack and tools are stored below the spare tire. Remove
them from their container and
place them near the tire being
changed.
Removing the Flat Tire and
Installing the Spare Tire
1. Do a safety check beforeproceeding. See If a Tire Goes
Flat 0335 for more information.
2. For vehicles with a wheel cover or center cap, pull the cover or
center cap away from the
wheel to remove it. Store the

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/5/19
344 Vehicle Care
wheel cover in the cargo area
until you have the flat tire
repaired or replaced.
3. Turn the wheel wrenchcounterclockwise to loosen all
the wheel nuts, but do not
remove them yet.
Caution
Make sure that the jack lift head
is in the correct position or you
may damage your vehicle. The
repairs would not be covered by
your warranty.
Rear Shown, Front Similar
4. Position the jack lift head at the jack location nearest the
flat tire.
Locate the notch on the sheet
metal weld flange. Place the
center of the jack lift head on
the center of the sheet metal
notch.
The jack must not be used in
any other position.
{Warning
Getting under a vehicle when it is
lifted on a jack is dangerous.
If the vehicle slips off the jack,
you could be badly injured or
killed. Never get under a vehicle
when it is supported only by
a jack.
{Warning
Raising the vehicle with the jack
improperly positioned can
damage the vehicle and even
make the vehicle fall. To help
avoid personal injury and vehicle
(Continued)

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/5/19
Vehicle Care 345
Warning (Continued)
damage, be sure to fit the jack lift
head into the proper location
before raising the vehicle.
{Warning
Lifting a vehicle and getting under
it to do maintenance or repairs is
dangerous without the
appropriate safety equipment and
training. If a jack is provided with
the vehicle, it is designed only for
changing a flat tire. If it is used for
anything else, you or others could
be badly injured or killed if the
vehicle slips off the jack. If a jack
is provided with the vehicle, only
use it for changing a flat tire.
5. Attach the wheel wrench to the jack by fitting both ends over
one another.
6. Raise the vehicle by turning thewheel wrench clockwise. Raise
the vehicle far enough off the
ground so there is enough
room for the road tire to clear
the ground.7. Remove all of the wheel nuts.
8. Remove the flat tire.
{Warning
Rust or dirt on a wheel, or on
the parts to which it is
fastened, can make wheel
nuts become loose after time.
The wheel could come off and
cause a crash. When
changing a wheel, remove any
rust or dirt from places where
the wheel attaches to the
(Continued)

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/5/19
346 Vehicle Care
Warning (Continued)
vehicle. In an emergency, a
cloth or a paper towel can be
used; however, use a scraper
or wire brush later to remove
all rust or dirt.
9. Remove any rust or dirt from the wheel bolts, mounting
surfaces, and spare wheel.
10. Place the compact spare tire on the wheel-mounting surface.
{Warning
Never use oil or grease on bolts
or nuts because the nuts might
come loose. The vehicle's wheel
could fall off, causing a crash.
11. Reinstall the wheel nuts. Tighten each nut by hand until
the wheel is held against
the hub.
12. Lower the vehicle by turning the jack handle
counterclockwise.
{Warning
Wheel nuts that are improperly or
incorrectly tightened can cause
the wheels to become loose or
come off. The wheel nuts should
be tightened with a torque wrench
to the proper torque specification
after replacing. Follow the torque
specification supplied by the
aftermarket manufacturer when
(Continued)
Warning (Continued)
using accessory locking wheel
nuts. SeeCapacities and
Specifications 0382 for original
equipment wheel nut torque
specifications.
Caution
Improperly tightened wheel nuts
can lead to brake pulsation and
rotor damage. To avoid expensive
brake repairs, evenly tighten the
wheel nuts in the proper
sequence and to the proper
torque specification. See
Capacities and Specifications
0 382 for the wheel nut torque
specification.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/5/19
Vehicle Care 347
13. Tighten the wheel nuts firmly ina crisscross sequence, as
shown.
14. Lower the jack all the way and remove the jack from under the
vehicle.
15. Tighten the wheel nuts firmly with the wheel wrench.
When reinstalling the wheel cover or
center cap on the full-size tire,
tighten all five plastic caps hand
snug with the aid of the wheel
wrench and tighten them with the
wheel wrench an additional
one-quarter of a turn.
Caution
Wheel covers will not fit on the
vehicle's compact spare. If you try
to put a wheel cover on the
compact spare, the cover or the
spare could be damaged.
Storing a Flat or Spare Tire
and Tools
{Warning
Storing a jack, a tire, or other
equipment in the passenger
compartment of the vehicle could
cause injury. In a sudden stop or
collision, loose equipment could
strike someone. Store all these in
the proper place.
To store the flat tire: 1. Return the jack and tools to their original storage location.
2. Replace the spare tire cover.
3. Replace the load floor. 4. Place the flat tire, lying flat, in
the rear storage compartment.
5. Route the loop end of the strapthrough one of the cargo
tie-downs in the rear of the
vehicle.
Then route the hook through
the loop and pull the strap to
tighten it around the cargo
tie-down.
6. Route the hook end of the strap through the wheel.
7. Attach one end of the strap to a cargo tie-down in the rear of
the vehicle.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/5/19
348 Vehicle Care
8. Route the strap through thewheel, as shown.
9. Attach the other end of the strap to the other cargo
tie-down in the rear of the
vehicle.
10. Tighten the strap.
The compact spare is for temporary
use only. Replace the compact
spare tire with a full-size tire as
soon as possible.
Compact Spare Tire
{Warning
Driving with more than one
compact spare tire at a time could
result in loss of braking and
handling. This could lead to a
crash and you or others could be
injured. Use only one compact
spare tire at a time.
If this vehicle has a compact spare
tire, it was fully inflated when new;
however, it can lose air over time.
Check the inflation pressure
regularly. It should be 420 kPa
(60 psi).
Stop as soon as possible and check
that the spare tire is correctly
inflated after being installed on the
vehicle. The compact spare tire is
designed for temporary use only. The vehicle will perform differently
with the spare tire installed and it is
recommended that the vehicle
speed be limited to 80 km/h
(50 mph). To conserve the tread of
the spare tire, have the standard tire
repaired or replaced as soon as
convenient and return the spare tire
to the storage area.
When using a compact spare tire,
the AWD (if equipped), ABS, and
Traction Control systems may
engage until the spare tire is
recognized by the vehicle,
especially on slippery roads. Adjust
driving to reduce possible
wheel slip.
Caution
When the compact spare is
installed, do not take the vehicle
through an automatic car wash
with guide rails. The compact
spare can get caught on the rails
which can damage the tire, wheel,
and other parts of the vehicle.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/5/19
Vehicle Care 349
Do not use the compact spare on
other vehicles.
Do not mix the compact spare tire or
wheel with other wheels or tires.
They will not fit. Keep the spare tire
and its wheel together.
Caution
Tire chains will not fit the compact
spare. Using them can damage
the vehicle and the chains. Do not
use tire chains on the compact
spare.
Jump Starting
Jump Starting - North
America
For more information about the
vehicle battery, seeBattery - North
America 0298.
If the battery has run down, try to
use another vehicle and some
jumper cables to start your vehicle.
Be sure to use the following steps to
do it safely.
{Warning
WARNING: Battery posts,
terminals, and related
accessories contain lead and lead
compounds, chemicals known to
the State of California to cause
cancer and birth defects or other
reproductive harm. Batteries also
contain other chemicals known to
the State of California to cause
cancer. WASH HANDS AFTER
(Continued)
Warning (Continued)
HANDLING.For more information
go to www.P65Warnings.ca.gov/
passenger-vehicle.
See California Proposition
65 Warning 0274 and the back
cover.
{Warning
Batteries can hurt you. They can
be dangerous because:
. They contain acid that can
burn you.
. They contain gas that can
explode or ignite.
. They contain enough
electricity to burn you.
If you do not follow these steps
exactly, some or all of these
things can hurt you.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/5/19
352 Vehicle Care
Towing the Vehicle
Caution
Incorrectly towing a disabled
vehicle may cause damage. The
damage would not be covered by
the vehicle warranty. Do not lash
or hook to suspension
components. Use the proper
straps around the tires to secure
the vehicle. Do not drag a locked
wheel/tire. Use tire skates or
dollies under any locked wheel/
tire while loading the vehicle. Do
not use a sling type lift to tow the
vehicle. This could damage the
vehicle.
Caution
If the vehicle cannot be shifted
into Neutral (N), do not use the
tow eye to tow the vehicle.
Vehicle damage may occur.GM recommends a flatbed tow truck
to transport a disabled vehicle. Use
ramps to help reduce approach
angles, if necessary. A towed
vehicle should have its drive wheels
off the ground. Contact Roadside
Assistance or a professional towing
service if the disabled vehicle must
be towed.
Caution
Improper use of the tow eye can
cause vehicle damage. Use
caution and low speeds to
prevent damage to the vehicle.
The vehicle is equipped with a tow
eye. Only use the tow eye to pull
the vehicle onto a flatbed car carrier
from a flat road surface. Do not use
the tow eye to pull the vehicle from
snow, mud, or sand.
The tow eye is stored underneath
the load floor, near the spare tire or
the compressor kit, if equipped.
Front Tow Eye
Carefully open the cover by using
the small notch that conceals the
front tow eye socket.

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13556230) - 2020 - CRC - 9/5/19
Vehicle Care 353
Install the tow eye into the socket by
turning it until it stops.
When the tow eye is removed,
reinstall the cover with the notch in
the original position.
Rear Tow Eye
If the vehicle is equipped with a
hitch, there is no provision to use
the tow eye in the rear of the
vehicle. The hitch may be used to
load the vehicle onto a flatbed tow
truck.
If equipped, carefully open the cover
by using the small notch that
conceals the rear tow eye socket.
Install the tow eye into the socket by
turning it until it stops.
When the tow eye is removed,
reinstall the cover with the notch in
the original position.
To tow the vehicle behind another
vehicle for recreational purposes,
such as behind a motor home, see
Recreational Vehicle Towing0353.
Recreational Vehicle
Towing
Recreational vehicle towing means
towing the vehicle behind another
vehicle –such as behind a motor
home. The two most common types
of recreational vehicle towing are
known as dinghy towing and dolly
towing. Dinghy towing is towing the
vehicle with all four wheels on the
ground. Dolly towing is towing the
vehicle with two wheels on the
ground and two wheels up on a
device known as a dolly.