Send Us a Text: 1-
812-652-2525
(US and Canada Only. Carrier Fees
May Apply)
Find Us Online: www.coscokids.
com
Email Us:
Give Us a Call: 1-800-544
-1108
(Toll Free, US and Canada Only)
Pronto!™
Pronto!™ Trend
Belt-Positioning Booster
Car Seat
KEEP INSTRUCTIONS FOR FUTURE USE.
Read all instructions before using this car seat.
Failure to follow the warnings on the labels and in the
instruction manual can result in serious injury or death to your
child. Serious injury may include paralysis and/or permanent
brain injury.
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4358-8428
9.27.23
Seat Pad Set
Instructions
For parts availability and questions, call, text,
or chat.
If requested color is not available, similar color
will be substituted.
Applicable tax and shipping & handling will
also be added.
Booster Seat Child Fit .............................................. 19
Booster Seat with Backrest ..................................... 20
Lap and Shoulder Belt Installation............................ 21
Booster Seat without Backrest ................................ 23
Lap and Shoulder Belt Installation............................ 24
Important Information .............................................. 26
Replacement & Expiration ........................................ 26
Registration and Safety Notices ................................ 27
Warranty .................................................................28
Table of Contents
Getting Started .................................................................1
Booster Seat Requirements ..............................................1
Parts of the Booster Seat .................................................2
Installing Seat Pad ...........................................................3
Installing Headrest Pad ....................................................4
Attaching Headrest to Backrest .........................................6
Attaching Backrest to Base ..............................................7
Adjusting and Removing Headrest .....................................9
Adjusting and Removing Backrest .....................................10
Cup Holder .....................................................................11
Removing Seat Pad for Cleaning .......................................12
Safety Information ............................................................15
Booster Seat Use .............................................................15
Vehicle Seating Position ...................................................15
Installation in Vehicle .......................................................16
Vehicle Information ...........................................................17
Understanding Your Vehicle ..............................................17
Knowing Your Vehicle Belts ...............................................18
Aircraft Information .........................................................18
Thank you for choosing this booster seat. The DJG family
is committed to creating child restraints with the most
comfort and convenience available today.
Remember, parents are a child’s first teachers and
examples. If you always buckle your seat belt, your child
will think it is the natural thing to do. Make it a firm rule
that the vehicle does not go until everyone is buckled up.
Make no exceptions.
No one can predict if use of a child restraint will prevent
injury or death in a particular crash. However, when
combined with careful driving, proper use of a booster seat
can lower a child’s risk of injury or death in most crashes.
Your child’s safety is worth the time it will take to read and
follow these instructions. After reading, if you still have
questions or have any concerns with this booster seat,
please look at the back page.
©2023 Dorel Juvenile Group, Inc. (800) 544-1108 www.coscokids.com. Styles, colors,
and labeling may vary. Los estilos, colores y etiquetado pueden variar. Made in USA.
Montado en los EE.UU. Distributed by (distribuido por) Dorel Juvenile Group, Inc., 2525
State St., Columbus, IN 47201-7494. Dorel Juvenile Canada, 2233 Argentia Road, Suite
110, Mississauga, ON L5N 2X7. Representante exclusivo en Chile: DOREL JUVENILE
CHILE S.A. Av. del Parque 4161, oficina 602 A, Huechuraba, Santiago, Chile - Fono: 56 2
24971500 - www.infanti.cl - www.dorel.cl. Importado y distribuido en Perú por: COMEXA
COMERCIALIZADORA EXTRANJERA S.A. SUCURSAL DEL PERÚ - Los Libertadores 455, San
Isidro, Lima 27, Lima, Perú RUC 20431062870 – Fono: 4413029 – www.infanti.com.pe.
En Centro América, Caribe y Ecuador por: Best Brands Group S.A. – Av. Balboa, Bay Mall
Plaza, Planta Baja, local 9, Panamá. - Fono: (507) 300 2884. En Colombia por: Baby Universe
S.A.S. - Vía 40 No. 77-29, Barranquilla, Colombia - Fono: (575) 353
1110 Importador: DJGM, S.A. DE C.V. Gabriel Mancera No. 1041 Col.
Del Valle, Benito Juárez C.P. 03100 México, Ciudad de México R.F.C.
DJG140305GN9 Tel. (55) 6719920
1 2
Your child’s height, weight, and age determine how the car seat
should be placed in the vehicle.
Children vary widely in body size, shape, and temperament—please
consult your doctor before switching between any modes within
the limits and fit requirements of the car seat.
Infants and Toddlers
Must use a seat in rear-facing mode as long as possible, which is until
the child reaches the maximum weight or height limit for rear-facing
mode.
Toddlers and Preschoolers
Once they are facing forward, the child must use the seat in forward-
facing mode with a harness for as long as possible, which is until the
child reaches the maximum weight or height limit for forward-facing
mode.
School-Aged Children
Once they have outgrown their forward facing car seat, the child must
use a belt-positioning booster seat until the vehicle’s lap and shoulder
seat belt fit properly.
If you have any questions regarding the proper mode for your child,
please see the back cover of this manual for our contact information.
Front View
Bottom View
A
D
C
E
A. Headrest
B. Shoulder Belt-Positioning
Guides
C. Backrest
D. Arm Rests
E. Seat Base
F. Cup Holder (see page 10)
Back View
G. Headrest Adjustment
Tab
H. Backrest Adjustment
Tab
F
I
G
H
I. Instruction Manual
Storage (under seat base)
B
Parts of the Booster Seat
Booster Seat Requirements
Failure to follow these instructions may result in
serious injury or death to your child. Serious injury can
include paralysis and/or permanent brain injury.
Be certain to measure your child’s weight and height
(do not guess) before choosing this car seat’s mode.
WARNING:
3 4
Installing Seat Pad
Depending on your model, you may need to install the seat pad.
Type A headrest pad has sewn
on plastic strip. See step 1a.
Type B headrest pad does
not have the plastic strip. See
step 1b.
Type
A
Attach Seat Pad
Slide seat pad onto the front of
the base. Slide the elastic strap
over the armrest, one side at
a time.
Wrap Elastic Straps Under
Seat as Shown
Pull Pad Down and
Around Cup Holder
Attach Arm Covers
(on select models)
Slide armrest covers over arm-
rests and attach the armrest
cover’s elastic straps to bottom
of seat as shown.
Attach Elastic To Tab
Attach the elastic on back
of armrest cover to bottom
of seat.
continued on next page
Type
B
Attach Headrest Pad
Type A
Attach headrest pad to the
headrest by sliding the pad
over one side of the head
rest, then the other.
Installing Headrest Pad
Depending on your model, you may need to install the headrest
pad. Your booster seat will have one of two headrest pad types.
1
2
3
4
5
1A
5 6
Attach Backrest Pad
Headrest pad Type B will go
behind only the backrest pad
as shown.
Slide backrest pad onto one
side of the backrest.
Pull pad tight and slide the
pad over the other side of
the backrest.
Attach Headrest to
Backrest
Headrest pad Type A will
slide behind the backrest
with the headrest.
With the headrest and
backrest facing down, slide
the headrest into the track
on the back of the headrest.
Lift headrest adjuster lock
up and pull headrest down
into a locked position.
Attach bottom of
headrest pad by
attaching pad to tabs
near the bottom of the
headrest.
Attach Headrest
Pad Type B
Attach headrest pad to
the headrest by sliding
the pad over one side
of the headrest, then
the other.
Attach Elastic
Straps
From the back of
headrest, attach
the elastic straps
to the hooks above
the shoulder belt
positioning guide.
Attaching Headrest to Backrest
Depending on your model you may need to install the headrest
and backrest in order to use this seat as a backed booster.
Type A
Type B
1B
2
7 8
Attach Backrest to
Base
Lay backrest flat
(horizontal) and pull back
the seat base fabric.
Rotate Backrest Up
Until It Clicks
Tuck backrest connection
hole flap under the
backrest pad.
Locate the Backrest
Connection Hole
Hold the rectangular
shaped tab on the rear of
the seat base pad back
to expose the backrest
connection hole.
Attaching Backrest to Base
Insert the hook on the backrest into the large opening
on back of seat base pad. Then insert the hook on the
backrest into the large opening on the back of the seat
base.
1
2
3
Headrest MUST always be used when using backrest.
If headrest has been removed from backrest, see page 6 to
attach headrest.
Make sure seat pad does not get caught between the moving parts.
The backrest may not connect properly if the pad is in the way.
WARNING:
Do not use this booster seat without the seat pad. Failure
to do this can result in serious injury. Serious injury may
include paralysis and/or permanent brain injury.
9 10
Adjusting and Removing Backrest
To Recline Backrest
Recline the backrest by pushing
on the backrest release tab and
rotate top of seat back about an
inch.
The restraint is now in semi-
reclined position.
The backrest has 2 positions,
upright and semi-reclined.
The semi-reclined position is
to be used only to install the
booster seat flush against the
vehicle seat back, if needed.
To Remove Backrest
Press in firmly on backrest
release tab and rotate backrest
back until it lays flat (horizontal).
Lift backrest hook out of the
opening in seat base. Store
backrest for future use.
To Adjust Headrest
This booster seat has multiple
headrest positions.
Grasp top of headrest and push
down with one hand while
pulling out on the headrest
adjustment lock with the other.
Raise and lower headrest into
selected position. Release the
headrest adjustment lock at the
selected headrest position.
Make sure headrest is locked by
pulling headrest up and down.
Headrest may move slightly
when it is locked.
The backrest/headrest are
removable.
To Remove Headrest
from Backrest
Move backrest to most
upright position.
Grasp top of headrest and
push down with one hand
while pulling out on the
headrest adjustment lock
with the other.
Pull out and hold headrest
adjustment lock and raise
headrest up until it comes
out of the backrest track
completely.
Adjusting and Removing Headrest
11 12
Undo Armrest Cover
Elastic Straps from
Bottom of Shell and
Remove Armrest Cover
(on select models)
Undo Seat Pad
Elastic Straps from
Under Seat Bottom and
Remove Seat Pad
Removing Seat Pad for Cleaning
Headrest and backrest must be removed from seat bottom to
remove complete seat pad set. See page 9 to remove headrest/
backrest from base.
1
2
The cup holder is located on the side of
the booster seat as shown.
Pull out cup holder to use.
Push cup holder in when not needed.
Cup Holder
13 14
WARNING:
Do not use booster seat without the seat pad. Failure
to do this can result in serious injury or death. Serious
injury may include paralysis and/or permanent brain
injury.
Cleaning Pad
Machine wash separately with cold water on a gentle cycle. Do not
use bleach. Tumble dry separately for 10-12 minutes on low heat.
Remove immediately.
Cleaning Headrest Pad TYPE A
Hand wash and line dry only.
Replace Pad See pages 3-6.
Type
A
4
3
5a
Remove Headrest
from Backrest
Move backrest to most
upright position. Pull
out and hold headrest
adjustment lock and raise
headrest up until it comes
out of the backrest track
completely.
Remove Pad from
Headrest
Undo the elastic straps.
If you have headrest pad
Type B, remove pad from tabs
at bottom of headrest,
as shown.
5b
Remove Pad from
Backrest
15 16
Check the vehicle owner’s manual for more
information about air bag/child restraint use.
For vehicles without a back seat, refer to your vehicle
owner’s manual.
Use the booster seat only on vehicle seats
that face forward.
Do not use on seats that face the sides or
rear of the vehicle.
If you are not sure where to place the car seat in your vehicle:
• Consult your vehicle owner’s manual; OR
• Contact Dorel Juvenile Group Consumer Care Department; OR
• Visit your local Child Passenger Inspection Station. Go to https://
www.nhtsa.gov/equipment/car-seats-and-booster-seats to find your
closest station.
Check the vehicle belt before each use. Use
only if the belt can be tightened properly and
securely.
This booster seat should be securely belted in the vehicle
even when not in use. In a crash or sudden stop, an
unsecured booster seat could injure occupants.
Installation in Vehicle
Booster Seat Use
Never take your child out of the booster seat
while the vehicle is moving. Never leave child unattended.
Placing your child in a hot booster seat may result in burns.
Do not use a booster seat with damaged or missing parts.
Do not substitute parts or try to modify the booster seat in
any way.
Do not use any booster seat accessory except those
approved by Dorel Juvenile Group.
Never allow any child to play with this booster seat; it is not
a toy.
Do not remove or cover up any of the warning labels or
other labels on the booster seat.
Read all instructions for additional warnings.
Vehicle Seating Position
Children are safer when properly
restrained in rear seating
positions than in the front seating
positions.
According to accident statistics, children in rear seating
positions are statistically safer, whether you have air bags,
advanced air bags, or no air bags at all.
To avoid your child being seriously burned, take the
following precautions:
• Park in the shade or where the sun does not directly hit the
car seat.
• Cover the car seat with a sheet or blanket when not in use.
• Check for hot seat and buckles before placing child in car
seat.
To help protect your vehicle seat’s upholstery from damage:
you may use an accessory approved by Dorel Juvenile Group or
a single layer towel underneath and behind car seat.
17 18
Knowing Your Vehicle Belts
Aircraft Information
Not all vehicle belts and seating positions will work with this
booster seat. You must review your vehicle owner’s manual for
vehicle seat belt use with booster seats.
Lap Belt Only
Inflatable Seat Belts
Never Use With This Booster Seat
This restraint is not certified for
aircraft use because aircraft seats
do not have shoulder belts.
Understanding Your Vehicle
Seat Bight
Vehicle
Seat Belts
Your vehicle’s features may be considerably different
than those pictured here.
Consult your vehicle owner’s manual to help identify your ve-
hicle’s specific features and locations.
19 20
Warning! Use ONLY the vehicle’s lap and shoulder belt system
when restraining the child in this booster seat.
Consult your vehicle manual for proper seatbelt usage.
DO NOT use only the lap belt when using this seat as a booster
seat. The shoulder belt MUST always be adjusted snugly across
the child’s chest.
NEVER place shoulder belt under the child’s arms or behind their
back.
DO NOT use this booster seat if the tops of your child’s ears are
above the top of the booster seat’s headrest.
WARNING:
Booster Seat with Backrest
Lap/Shoulder Belt
40-100 lb (18.1-45.4 kg)
43-57 in. (110.1-144.8 cm)
Head Position
The tops of your child’s ears should
never be above the top of the
booster seat’s headrest.
Car Position
DO NOT use the booster seat if your
child’s head is less than 5 in.
(12.7 cm) below the roof of the car.
Consult your vehicle manual for
proper seatbelt usage.
Shoulder Belt Position
The shoulder belt should lay snugly
across the center of your child’s
shoulder and across their chest.
Lap Belt Position
The lap belt should lay snugly
across your child’s hips; not on
their stomach.
5 in. (12.7 cm)
5 in. (12.7 cm)
5 in. (12.7 cm)
5 in. (12.7 cm)
Booster Seat Child Fit
21 22
4
5
Buckle Vehicle Belt
Position Shoulder Belt
on Child
Pull up on shoulder belt to
tighten.
The shoulder belt should lay
snugly across the center of the
child’s shoulders and across
the chest and not on the face
or neck.
1
2
3
Place Booster Seat
Forward-Facing Flush
Against Vehicle Seat Back
Place Child in Booster
Seat
Child should sit with their
back flat against the vehicle
seat and bottom flat against
the seat.
Position Lap Belt on
Child
Route lap portion of the lap/
shoulder belt under both
armrests. The shoulder
belt MUST GO UNDER the
armrest on the vehicle buckle
side.
To attach headrest/backrest, see pages 9-10.
If your vehicle has a headrest that
interferes with a flush car seat fit,
check your vehicle owner’s manual
to see if it can be removed, adjusted,
or if there are other possible seating
locations for you to install.
5 in. (12.7 cm)
Check periodically to make sure
your child has not moved out
of position and loosened the
shoulder belt.
Keep the booster seat securely
belted through the belt-positioning
guide even when unoccupied.
FINISHED!
Use the shoulder belt positioning guide only if necessary to
correctly position the shoulder belt on the child.
The lap belt should lay snugly across your child’s hips; not
on their stomach.
Lap and Shoulder Belt Installation
5 in. (12.7 cm)
23 24
Place Booster Seat
Forward-Facing Flush
Against Vehicle Seat Back
Place Child in Booster
Seat
Child should sit with their back
flat against the vehicle seat
and bottom flat against the
seat.
Position Lap Belt on Child
Route lap portion of the lap/
shoulder belt under both
armrests.
The shoulder belt MUST GO
UNDER the armrest on the
vehicle buckle side.
To remove backrest/headrest, see page 9-10.
Lap and Shoulder Belt Installation
1
2
3
Booster Seat without Backrest
Lap/Shoulder Belt
40-100 lb (18.1-45.4 kg)
43-57 in. (110.1-144.8 cm)
WARNING:
DO NOT use this booster seat if the tops of your child’s ears
are above the top of the vehicle seat’s headrest or vehicle
seatback.
Warning! Use ONLY the vehicle’s lap and shoulder belt system
when restraining the child in this booster seat.
Consult your vehicle manual for proper seatbelt usage.
DO NOTuse only the lap belt when using this booster seat.
The shoulder belt MUST always be adjusted snugly across the
child’s chest.
NEVER place shoulder belt under the child’s arms or behind
their back.
By the nature of the design, backless booster car seats DO
NOT have a back or headrest. These types of booster car seats
help position the vehicle belt across the body.
Any additional protection of the body or head is dependent on
the protection systems of your vehicle.
Please consider this when choosing where this booster will be
used in your vehicle and always consult your vehicle owner’s
manual.
If your vehicle has a headrest that
interferes with a flush car seat fit,
check your vehicle owner’s manual
to see if it can be removed, adjusted,
or if there are other possible seating
locations for you to install.
5 in. (12.7 cm)
The lap belt should lay snugly across your child’s
hips; not on their stomach.
25 26
Replacement & Expiration
DO NOT risk your child’s safety.
To keep your child as safe as possible, Dorel Juvenile Group strongly
recommends replacing the car seat even after a minor crash; even if it
was not occupied at the time.
Replacement After a Minor Crash
The National Highway Traffic Safety Administration states that for a
crash to be considered minor ALL of the following MUST be true:
• Vehicle able to drive away from the crash site; AND
• Vehicle door nearest the car seat was not damaged; AND
• No passengers were injured; AND
• Airbags did not deploy; AND
• There is no visible damage to the car seat.
If the crash your car seat was involved in meets ALL the criteria, you
may not need to replace the car seat.
If one or more of these criteria are not true or if you are uncertain of
any of your answers, replace the car seat immediately.
Replacement After a Moderate to Severe Crash
You MUST replace this car seat if it has been in a moderate
to severe car crash.
This car seat is intended to protect a child in a single crash.
During a crash, the car seat and all of its parts absorb crash energy
which can deform or weaken it. Damage is not always visible. A
damaged car seat MUST be replaced immediately.
Expiration
On the side of the car seat there is a date of
manufacture label as shown.
DO NOT use this car seat more than 10 years
after the date of manufacture.
AB123CDE COSCO CARSEAT
4
5
Buckle Vehicle Belt
Position Shoulder Belt
on Child
Pull up on the shoulder belt
to tighten.
The shoulder belt should lay
snugly across the center of
the child’s shoulders and
across the chest and not on
the face or neck.
Check periodically to make
sure your child has not
moved out of position and
loosened the shoulder belt.
Keep the booster seat
securely belted through
the belt-positioning guide
even when unoccupied.
FINISHED!
5 in. (12.7 cm)
27 28
Warranty
Dorel Juvenile Group, Inc. (DJG) warrants this product to the
original retail purchaser as follows: This product is warranted
against defective materials or workmanship for one year from the
date of original purchase.
An original receipt is required to validate your warranty.
DJG will, at its option, provide replacement parts or replace this
product. DJG reserves the right to substitute if the part or model
has been discontinued.
To make a claim under this warranty, please contact our Consumer
Care Department by phone: 1-800-544-1108 or text: 1-812-652-
2525. Our hours of operation are from 8:00 a.m. to 6:00 p.m. EST
Monday through Thursday and from 8:00 a.m. to 4:30 p.m. on
Friday.
Proof of purchase is required and shipping charges are the
responsibility of the consumer.
Warranty Limitations:
This warranty does not include damages
which arise from misuse or abuse of this product.
Limitation of Damages:
The warranty and remedies as set forth
are exclusive and in lieu of all others, oral or written, expressed or
implied. In no event will DJG or the dealer selling this product be
liable to you for any damages, including incidental or consequential
damages, arising out of the use or inability to use this product.
Limitation of warranties and other warranty terms and state
law rights:
Any implied warranties, including implied warranties
of the merchantability and fitness for a particular purpose, shall be
limited to the duration and terms of the express written warranty.
Some states do not allow limitations as to how long an implied
warranty lasts or the exclusion or limitation of incidental or
consequential damages, so the above limitations may not apply to
you.
This warranty gives you specific legal rights, and you may have
other rights, which vary from state to state.
Neither DJG nor the dealer selling this product authorized any
person to create for it any other warranty, obligation, or liability in
connection with this product.
AB123CDE COSCO CARSEAT
If you don’t have the card or if your
address changes, you will find the
model number, manufacture date,
and line code on the label located
on the side of the car seat.
Example of model number, manufacture date, and line code.
Please complete the postage-paid registration card that came with your
child restraint, and send it to us. Child restraints could be recalled for
safety reasons. You must register this restraint to be reached in a recall.
Send your name, address, e-mail address if available and the restraint’s
model number and manufacturing date to:
Dorel Juvenile Group
2525 State Street
Columbus, IN 47201
or call 1-800-544-1108 or register online at
https://www.coscokids.com/registration/.
For recall information, call the U.S. Government’s Vehicle
Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153),
or go to www.NHTSA.gov.
AB123CDE COSCO CARSEAT
Registration and Safety Notices
