2021 GMC CANYON Owner's Manual

GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
14430430) - 2021 - CRC - 9/9/20
56 Seats and Restraints
According to accident statistics, children and
infants are safer when properly restrained in
a child restraint system or infant restraint
system secured in a rear seating position.
SeeWhere to Put the Restraint 049 for
additional information.
Securing a Child Restraint with the
LATCH System
{Warning
A child could be seriously injured or killed
in a crash if the child restraint is not
properly attached to the vehicle using
either the LATCH anchors or the vehicle
seat belt. Follow the instructions that
came with the child restraint and the
instructions in this manual.
{Warning
To reduce the risk of serious or fatal
injuries during a crash, do not attach
more than one child restraint to a single
anchor. Attaching more than one child
restraint to a single anchor could cause
(Continued)
Warning (Continued)
the anchor or attachment to come loose
or even break during a crash. A child or
others could be injured.
{Warning
Children can be seriously injured or
strangled if a shoulder belt is wrapped
around their neck. The shoulder belt can
tighten but cannot be loosened if it is
locked. The shoulder belt locks when it is
pulled all the way out of the retractor.
It unlocks when the shoulder belt is
allowed to go all the way back into the
retractor, but it cannot do this if it is
wrapped around a child’s neck. If the
shoulder belt is locked and tightened
around a child’s neck, the only way to
loosen the belt is to cut it.
Buckle any unused seat belts behind the
child restraint so children cannot reach
them. Pull the shoulder belt all the way
out of the retractor to set the lock, and
(Continued)
Warning (Continued)
tighten the belt behind the child restraint
after the child restraint has been
installed.
Caution
Do not let the LATCH attachments rub
against the vehicle’s seat belts. This may
damage these parts. If necessary, move
buckled seat belts to avoid rubbing the
LATCH attachments.
Do not fold the rear seatback when the
seat is occupied. Do not fold the empty
rear seat with a seat belt buckled. This
could damage the seat belt or the seat.
Unbuckle and return the seat belt to its
stowed position, before folding the seat.
If you need to secure more than one child
restraint in the rear seat, see Where to Put
the Restraint 049.
Crew Cab
1. When installing a rear-facing child
restraint, it may be necessary to move
the front seat forward to properly install

GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
14430430) - 2021 - CRC - 9/9/20
Seats and Restraints 57
per the child restraint manufacturer
instructions. SeeSeat Adjustment 023 or
Power Seat Adjustment 023.
2. For rear outboard seating positions, if the head restraint interferes with the
proper installation of the child restraint,
the head restraint may be removed. See
“Head Restraint/Headrest Removal and
Reinstallation” at the end of this section.
3. If the child restraint manufacturer's instructions recommend that the top
tether be attached, attach the top tether
to the top tether anchor. Refer to the
child restraint instructions and the
following steps:
3.1. Release and pull the rear seatback forward to access the top tether
anchors. See Rear Seats025.
3.2. Put the child restraint on the seat. 3.3. Route the top tether according to
your child restraint instructions and
the following instructions:
If the position you are using does
not have a head restraint and you
are using a single tether, route the
tether over the seatback.If the position you are using has a
fixed head restraint and you are
using a single tether, route the
tether around the inboard or
outboard side of the head restraint.

GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
14430430) - 2021 - CRC - 9/9/20
58 Seats and Restraints
If the position you are using does
not have a head restraint and you
are using a dual tether, route the
tether over the seatback.
If the position you are using has a
fixed head restraint and you are
using a dual tether, route the
tether around the sides of the head
restraint.
3.4. Adjust the top tether to its fulllength and attach the top tether
hook to the anchor. Make sure that
you secure the top tether to the
top tether anchor and not to the
seatback latch.
3.5. Push rearward on the seatback until it locks into its upright position.
Push and pull on the seatback to
make sure it is secured properly.
4. Attach and tighten the lower attachments to the lower anchors. If the
child restraint does not have lower
attachments or the desired seating
position does not have lower anchors,
secure the child restraint with the seat
belt and the top tether. Refer to your child restraint manufacturer instructions
and
Securing Child Restraints (With the
Seat Belt in the Rear Seat) 064 or
Securing Child Restraints (With the Seat
Belt in the Front Seat) 069.
5. Tighten the top tether.
6. Before placing a child in the child restraint, make sure it is securely held in
place. To check, grasp the child restraint
at the LATCH path and attempt to move
it side to side and back and forth. There
should be no more than 2.5 cm (1 in) of
movement for proper installation.
Extended Cab with Rear Seats
{Warning
Never secure a rear-facing or
forward-facing child restraint in the left
rear seating position in an extended cab
model. This seating position is not
suitable for child restraint installation.
The seat cushion is too short to properly
support a rear-facing or forward-facing
child restraint. A child could be seriously
injured or killed in a sudden stop or
crash.
(Continued)

GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
14430430) - 2021 - CRC - 9/9/20
Seats and Restraints 59
Warning (Continued)
A booster seat can be used in the left or
right rear seating position if the base of
the booster seat fits on the seat cushion
and does not extend past the front edge.
If it does, it should be installed in the
right rear seating position using the seat
cushion extension. Only install a booster
seat in either rear seating position if it
can be properly installed according to the
child restraint manufacturer’s instructions.
A rear-facing or forward-facing child
restraint can be installed in the right rear
seating position using the seat cushion
extension in an extended cab model.
Never install a rear-facing or
forward-facing child restraint in the right
rear seating position without the seat
cushion extension.
{Warning
Do not let anyone ride in the front
passenger seat when a rear-facing child
restraint is installed in the right rear
seating position. To properly fit the(Continued)
Warning (Continued)
rear-facing child restraint, the front
seatback will need to be tilted forward
which will not allow a passenger to sit
properly in the front outboard passenger
seat. The passenger could be seriously
injured or killed in a sudden stop or
crash.
{Warning
Do not attach a top tether to the loop
near the top of the seatback and directly
behind the seating position in which the
child restraint is installed in an extended
cab with rear seats. The top tether will
not be able to be properly tightened. See
instructions below for how to properly
attach a top tether.
Extended Cab Rear Seat Cushion Extension
The vehicle is equipped with a headrest that
is used as a seat cushion extension for
installation of child restraints in the right
rear seat.
{Warning
The right rear seat cushion extension is
designed to support the weight of a child
in a child restraint or booster seat. It is
neither designed nor intended to support
the weight of an adult. Use the seat
cushion extension only when a child
restraint or booster seat is installed in
the right rear seating position.
When installing a rear-facing child restraint
in the right rear seating position, move the
front seat all the way forward and tilt the
seatback forward to properly install the child
restraint. See Power Seat Adjustment 023,
Seat Adjustment 023, and Reclining
Seatbacks 024. When a rear-facing child
restraint is installed properly, the front
passenger seat cannot be used.
1. Always install the seat cushion extension in the right rear seating position when
installing a forward-facing or rear-facing
child restraint. Also use the seat cushion
extension for booster seats that extend
past the front edge of the seat cushion.

GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
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60 Seats and Restraints
2. Press the button for the passenger sideheadrest at the top of the seatback and
pull up.
3. Insert the headrest posts into the holeson the front of the passenger side seat
cushion to install the seat cushion
extension. The notches on the posts
should face the passenger side of the
vehicle. Try to move the headrest to
make sure it is locked in place.
4. If the child restraint manufacturer recommends that the top tether be
attached, adjust the top tether to its full
length and attach the top tether hook to
the anchor. Refer to the child restraint
instructions and the following:
Route the top tether (1) through the
loop (2) at the top of the seatback
directly behind the child restraint and attach the top tether hook to the top
tether loop at the top of the seatback
for the opposite rear seating position (3).
5. Attach and tighten the lower attachments to the lower anchors. If the
child restraint does not have lower
attachments, secure the child restraint
with the seat belt and the top tether (if
appropriate). See Securing Child
Restraints (With the Seat Belt in the Rear
Seat) 064 or
Securing Child Restraints (With the Seat
Belt in the Front Seat) 069.
6. Tighten the top tether. The child restraint instructions will show you how.
7. Before placing a child in the child restraint, make sure it is securely held in
place. To check, grasp the child restraint
at the LATCH path and attempt to move
it side to side and back and forth. There
should be no more than 2.5 cm (1 in) of
movement for proper installation.
8. Always reinstall the headrest before the seating position is used by another
occupant. See “Head Restraint/Headrest
Removal and Reinstallation” at the end
of this section.

GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
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Seats and Restraints 61
Extended Cab without Rear Seats
{Warning
A child in a rear-facing child restraint can
be seriously injured or killed if the right
front passenger airbag inflates. This is
because the back of the rear-facing child
restraint would be very close to the
inflating airbag. A child in a
forward-facing child restraint can be
seriously injured or killed if the right
front passenger airbag inflates and the
passenger seat is in a forward position.
Even if the passenger sensing system has
turned off the right front passenger
frontal airbag, no system is fail-safe. No
one can guarantee that an airbag will not
deploy under some unusual circumstance,
even though it is turned off.
Since this vehicle does not have a rear
seat that will accommodate a rear-facing
child restraint, a rear-facing child restraint
should not be installed in your vehicle,
even if the airbag is off.
SeePassenger Sensing System 039 for
additional information. The vehicle has a front outboard passenger
frontal airbag and a passenger sensing
system. The passenger sensing system is
designed to turn off the front passenger
frontal airbag when an infant in a
rear-facing infant seat or a small child in a
forward-facing child restraint or booster seat
is detected. See
Securing Child Restraints
(With the Seat Belt in the Rear Seat) 064 or
Securing Child Restraints (With the Seat Belt
in the Front Seat) 069 and
Passenger Sensing System 039 for
important seat information and additional
information on installing a child restraint in
the front passenger position.
1. Put the child restraint on the right front passenger seat.
2. If the child restraint manufacturer's instructions recommend that the top
tether be attached, attach and tighten
the top tether hook to the top tether
anchor.
2.1. Route the top tether according to your child restraint instructions and
the following instructions:
If you are using a single tether,
raise the headrest or head restraint
and route the tether under the
headrest or head restraint and in
between the headrest or head
restraint posts.
If you are using a dual tether, route
the tether around the headrest or
head restraint.

GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
14430430) - 2021 - CRC - 9/9/20
62 Seats and Restraints
2.2. Attach the top tether hook to themetal wire on the lower inboard
side of the cab wall directly behind
the front passenger seat.
2.3. Tighten the top tether.
3. Before placing a child in the child restraint, make sure it is securely held in
place. To check, grasp the child restraint
at the LATCH path and attempt to move
it side to side and back and forth. There
should be no more than 2.5 cm (1 in) of
movement for proper installation.
Head Restraint/Headrest Removal and
Reinstallation
{Warning
With head restraints that are not
installed and adjusted properly, there is a
greater chance that occupants will suffer
a neck/spinal injury in a crash. Do not
drive until the head restraints for all
occupants are installed and adjusted
properly.
Crew Cab
The rear outboard head restraints can be
removed if they interfere with the proper
installation of the child restraint. To remove the head restraint:
1. Partially fold the seat forward.
2. Press the button on the side of the head
restraint post at the top of the seatback
and pull up on the head restraint.
3. Store the head restraint in a secure place.
4. Always reinstall the head restraint before the seating position is used by another
occupant.

GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
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Seats and Restraints 63
To reinstall the head restraint:
1. Insert the posts into the holes in the topof the seatback. The notch on the post
should face the driver side of the vehicle.
2. Push the head restraint down. Pull up on the head restraint to make sure it is
locked in place. Extended Cab
To remove the headrest:
1. Press the button on the side of the
headrest post on the top of the seatback
and pull up.
2. If removing the headrest to install a booster seat in the left rear seating
position, store the headrest in a secure
place.
Never install a forward-facing or
rearward-facing child restraint in the left
rear seating position.
3. If removing the headrest to install as a seat cushion extension for a
forward-facing or rearward-facing child
restraint in the right rear seating position, see the instructions in
“Securing
a Child Restraint with the LATCH System”
earlier in this section.
4. Always reinstall the headrest before the seating position is used by another
occupant.
To reinstall the headrest:
1. If installed as a seat cushion extension, first press both buttons on the front of
the seat cushion to remove the headrest.