Century Boost On User manual

KEEP INSTRUCTIONS FOR FUTURE USE.
READ THIS INSTRUCTION
MANUAL
Do not install or use this child restraint
until you read, understand and follow the
instructions in this manual and the
warnings on the car seat.
FAILURE TO PROPERLY USE THIS
CHILD RESTRAINT INCREASES THE
RISK OF SERIOUS INJURY OR
DEATH IN A SUDDEN STOP OR
CRASH.
www.centurybaby.com
Boost OnTM
2-in-1 Slim High Back Booster
©CenturyChildren’sProducts2021
NWL0001279521D9.21

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1-A Quick Guide to Your Manual
1-B Welcome to the Century Family!
1-C Before You Begin
1-D Safety Warnings
1 Important Pages 4-17
2 Features Page 18
3-A Booster Use
3-B Install Highback Booster
3-C Install Backless Booster
3-D Securing Child Highback Booster
3-E Securing Child Backless Booster
3-F Using Belt Positioning Clip
3 Booster Pages 19-32

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4-A Choosing a Vehicle Seat Location
4-B Unsafe Vehicle Seat Locations
4-C Vehicle Seat Belts
4 Vehicle Information Pages 33-36
5 Care & Cleaning Pages 36-41

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1-A | Quick Guide to Your Manual
Adult Assembly Required
The cup holders must be installed.
To attach the cup holders, match the right
cup holder to the right side of the seat and
the left to the left.
Install Cup Holders
This booster seat is for children:
Highback Booster: 40-100 lb (18.1-45 kg) and at least 4 years old
Backless Booster: 40-120 lb (18.1-54 kg) and at least 4 years old

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Slide the hook on the cup holder into the slot in the
seat until you hear a “Click”. You will hear a “Click”
when they are secured in place.
If needed, cup holder may be removed for cleaning.
To remove cup holders, pull up on the cup holder.
Cup holders are dishwasher-safe (Top Rack Only).
Install Head Support
Flip head support and lower back support over as
shown.

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Slide two pieces together until they snap into place.
CHECK to make sure two pieces are securely
snapped together by pulling on them.
Head support pad
Flip seat over and insert the fabric from the head
support underneath the fabric on the lower back
support as shown.
To make insertion of fabric easier, slide the head
support and back support pieces apart by pulling the
yellow head support height adjustment lever.
CLICK!

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Connect the “U”-shaped hooks on bottom of the back
support to the bars on the base until the hooks click
into place.
Install Back support
CLICK!

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Once the “U”-shaped hooks on bottom of the seat
back are hooked on the bars on the base, raise the
back support until it is fully upright and you hear a
“CLICK”.
Your Century booster seat is now ready to use!
CLICK!

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Get to Know Your Booster seat
Review section 2 to see all of the features of this booster seat.
The best seating location for this booster seat is one that:
• Is recommended by your vehicle owner’s manual.
• Results in a secure installation of this booster seat.
Some vehicles have specific requirements for where the car seat can be installed, so be
sure to check your vehicle owner’s manual for available seating positions, if any.
Review section 4 of this manual AND your vehicle owner’s manual.
What Seating Location Should I Use?

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According to accident statistics, children are
safer when properly restrained in the rear seating
positions than in the front seating positions. The
center of the back seat can be the safest during a
possible side impact.
Using This Booster seat Correctly
Vehicle Seat Belt
There is one type of vehicle seat belt that can be used:
Lap/Shoulder Seat Belt.
Review section 3 of this manual AND your vehicle
owner’s manual.
When Installing
To make sure your child is secured properly, review section 3 to fit your child.

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Never Use Lap Belt Only
Review section 3
Lap Belt Underneath Armrest and
Lies Low Across Hips and Thighs
Review section 3
Shoulder Belt Lies On the
Shoulder, Between the Neck and
Edge of Shoulder
Review section 3
Booster Installation
Highback Backless

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1-B | Welcome to the Century Family!
Your child’s safety depends on you. No car seat can guarantee protection from injury in
every situation, but proper use helps reduce the risk of serious injury or death.
Even if this booster seat seems easy to figure out on your own, you must follow the
detailed instructions in this instruction manual to ensure all steps are preformed correctly.
Visit: www.centurybaby.com/safety for more information about Century’s car seat safety
standards.

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Please fill out the prepaid registration postcard attached to the seat pad and mail it in
today or register online at:
www.centurybaby.com/carseatregistration
Child restraints could be recalled for safety reasons. You must register this restraint to
be reached in a recall. Send your name, address, and the restraint’s model number and
manufacturing date to: Century Children’s Products
Attn: Customer Service
P.O. Box 169, Elverson, PA 19520-9901
or call 1-844-385-0249
or register online at
www.centurybaby.com/carseatregistration
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 http://www.NHTSA.gov.
Register This Child Restraint
1-C | Before You Begin

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Model Name __________________________________
Model Number _______________________________
Date of Manufacture _________________________
Date of Purchase _____________________________
For future reference or if you change addresses, record the model name, model number, date of
manufacture, and purchase date of this booster seat below. You can find this information either
on the registration card if you still have it or on the date label located on the bottom of the
booster seat.
In the U.S.A, please contact our Customer Service Department with any questions you may
have concerning parts, use, or maintenance. When you contact us, please have your product’s
model number and date of manufacture ready so that we may help you eciently. These
numbers can be found on a sticker on the bottom of your booster seat.
For additional resources or to get your booster seat checked by a child passenger safety
technician, please visit the following web sites:
www.nhtsa.gov • www.seatcheck.org • www.safekids.org
If You Need Help

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This child restraint meets or exceeds all applicable requirements of Federal motor
vehicle safety standard 213 for use in motor vehicles.
This child restraint is not certified for aircraft use when used as a booster seat
because aircrafts do not have shoulder belts. Contact the airline for their specific
polices.
DO NOT use this child restraint 10 years after the date of manufacture. Look for date
of manufacture label on bottom of the booster seat.
Century Children’s Products advises against loaning or passing along a car seat unless
you know the complete history of the product. We also advise against purchasing a car
seat second hand.
Protect the vehicle seat. Use a car seat mat, towel, or thin blanket under and behind the
booster seat.
Certification
Booster seat’s Useful Life
Vehicle Seat Protection

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Warm Weather Use
Car seat parts can get very hot in the sun or warm weather. To avoid burns, always check
before putting child in booster seat.
1-D | Safety Warnings
No car seat can guarantee protection from injury in every
situation, but proper use helps reduce the risk of serious injury
or death. READ THIS MANUAL CAREFULLY.
Failure to follow these instructions and child restraint’s labels can result
in child striking the vehicle’s interior during a sudden stop or crash.

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!Review your vehicle owner’s manual for more information about air bags and
car seat use.
!If your vehicle does not have a back seat, review your vehicle owner’s manual.
!Select a suitable location for the booster seat in your vehicle.
!Always secure booster seat with the vehicle seat belt, even when unoccupied.
In a crash, an unsecured car seat can injure passengers.
!If booster seat is in a crash, it must be replaced. DO NOT use it again! A crash
can cause unseen damage and using it again could result in serious injury or
death.
!DO NOT use booster seat if it is damaged or missing parts.
!DO NOT use accessories or parts other than those provided by Century
except for a thin towel or mat to protect your vehicle seat. Their use could alter
the performance of the car seat.
!Never leave child unattended, even when sleeping. Child may become tangled
in harness straps and suocate or strangle.

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AA Head Support Adjustment
Lever
B Head Support
C Shoulder Belt Guide
D Back Support
E Seat Base
F Cup Holder
G Belt Positioning Clip (Inset)
2-A | Features
G
B
C
F
D
E

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Booster Use With Back:
40-100 lb (18.1-45 kg) 43-57 in.
(110.1-145 cm) at least 4 years old
Booster Use Without Back: 40-120
lb (18.1-54 kg) 43-57 in. (110.1-145 cm) at least
4 years old
• Place booster seat forward-facing in the vehicle
back seat.
• Make sure vehicle seat’s lap belt is adjusted snugly
and lays low on the child’s hip and is routed under
the armrest in the booster’s belt path.
• Vehicle belts MUST lie flat against child and
MUST NOT be twisted.
• Vehicle seat’s shoulder belt is adjusted snugly
and should lie between child’s neck and edge of
shoulder.
Vehicle Lap/Shoulder
Seat Belt
Vehicle Lap/Shoulder
Seat Belt
3-A | Booster Use

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• Never use a vehicle lap-only belt across front
of child.
• DO NOT position vehicle shoulder belt under
the child’s arm or back.
• DO NOT allow child to slouch or slide down in
the booster seat.
• DO NOT position vehicle belt over top of
armrests.
• Vehicle’s seat head support SHOULD NOT
create a gap between vehicle seat and booster
seat.
• The front of booster seat MUST NOT hang
over front of vehicle seat.
• If child will not keep vehicle belt properly
positioned, DO NOT use this booster seat. Use
a dierent car seat.
Never Use a Vehicle Lap-Only
Belt Across Front of Child