Britax GROW WITH YOU User manual

Tel.: [phone]
Tel.: [phone]
www.Britax.com
Britax Child Safety, Inc.
4140 Pleasant Road
Fort Mill, SC 29708 USA
A Britax Childcare company
GROW WITH YOU™
User Guide
Guíde d'utilisation

Table of Contents
Child Seat Features ��������������������������������������� 2
Safety Information����������������������������������������� 4
Warnings������������������������������������������������������������������ 4
Important Notes������������������������������������������������������� 5
Registration�������������������������������������������������������������� 6
Certification�������������������������������������������������������������� 6
Child Fit Information ������������������������������������������������ 7
Installing the Child Seat�������������������������������� 8
General Information ������������������������������������������������� 8
Installation in Harness Mode ��������������������������������� 10
Installation in Booster Mode���������������������������������� 16
Securing Your Child������������������������������������� 17
Harness Mode�������������������������������������������������������� 17
Booster Mode �������������������������������������������������������� 19
Child Seat Functions ����������������������������������� 21
Adjusting Harness and Head Restraint Height ������ 21
Overhang ��������������������������������������������������������������� 22
Adjusting Buckle Position �������������������������������������� 22
Using the Harness Buckle ������������������������������������� 24
Using the Chest Clip���������������������������������������������� 24
Using the Recline��������������������������������������������������� 24
Using the Lower Universal Anchorage System
(LUAS) and Tether �������������������������������������������������� 25
Using the Lower Connectors ��������������������������������� 25
Using the Impact Absorbing Tether ����������������������� 26
Switching Between Modes ������������������������������������ 28
Vehicle Compatibility����������������������������������� 35
Incompatible Vehicle Seat Belts ���������������������������� 35
Vehicle Buckle Positions ���������������������������������������� 36
Vehicle Seating Positions��������������������������������������� 36
Maintenance ������������������������������������������������ 37
Removing the Cover ���������������������������������������������� 37
Replacing the Cover ���������������������������������������������� 39
Removing the Buckle��������������������������������������������� 40
Replacing the Buckle��������������������������������������������� 41
Cleaning ������������������������������������������������������� 42
Warranty ������������������������������������������������������� 43
BRITAX®, GROW WITH YOU™ are trademarks owned by Britax Child
Safety, Inc� All Rights Reserved� © 2021 Britax Child Safety, Inc� This
product and Its components are subject to change without notice� Printed
in U�S�A� P13161500_A:04�21

2
BRITAX Child Safety, Inc.
Child Seat Features
Front
Rear
27
30
28
18
19
20
21
22
24
25
26
1
2
5
4
6
7
9
3
8
12
13
14
15
10
11
16
31
17
23 29

3
GROW WITH YOU User Guide
Description
1� Cover
2� Arm Rest
3� Booster Mode Belt Guide
4� Cup Holder and Storage
5� Harness and Head Restraint Height Adjuster
6� Head Restraint
7� Shoulder Belt Guide
8� Comfort Pads
9� Chest Clip
10� User Guide Storage (in pocket behind cover)
11� Harness Buckle
12� Lower Connector Storage (undercover)
13� Belly Pad
14� Harness Adjuster Release Lever (under flap)
15� Harness Adjuster Strap
16� Recline Adjuster Handle
17� Serial Number and Manufactured Date Label
18� Tether Adjuster
19� Tether Hook
20� Tether Webbing
21� Tether Storage Strap
22� Harness Straps
23� National Safety Mark
24� Lower Connector Adjuster Button (LUAS)
25� Lower Connector Adjuster (LUAS)
26� Lower Connector Release Button (LUAS)
27� Lower Connector (LUAS)
28� Shell
29� Harness Mode Belt Path - Green
30� Harness Yoke
31� Impact Absorbing Base

4
BRITAX Child Safety, Inc.
WARNING!
Safety Information
Failure to follow all warnings and instructions could result
in SERIOUS INJURY or DEATH�
FIT REQUIREMENTS
• Harness Mode: Use only with children who weigh
between 11�3 and 30 kg (25 and 65 lbs) and whose
height is between 85 and 125 cm (34 and 49 in�) and are
at least 2 years of age�
• Booster Mode: Use only with children who weigh
between 18 and 54 kg (40 and 120 lbs) and whose
height is between 112 and 160 cm (44 and 63 in�)�
• Snugly adjust the belts provided with this child restraint
around your child�
INSTALLATION
• Secure the top tether strap provided with this child seat
in harness mode� It is recommended that the top tether
strap is used in booster mode�
• Use only the vehicle’s lap and shoulder belt system
when restraining the child in this booster seat�
• Secure this child restraint with the vehicle’s lower
connector system if installed in a seating position that
is equipped with a lower universal anchorage system
(LUAS) or by means of a vehicle seat belt and by means
of a tether strap�
GENERAL USAGE
• Follow all instructions on this child restraint and in the
written instructions�
• Register your child restraint with the manufacturer�
• The top tether must be used at all times when installing
the child seat in harness mode� Using the top tether will
improve the stability of your child seat and reduce the
risk of injury�
• Britax strongly recommends that children should remain
in a child seat with a 5-point harness until reaching the
maximum weight or height allowed�
• Use this seat forward-facing only�
• This child seat must be used in the upright position in
booster mode�
• This child seat can only be used in the following
classes of vehicles: multi-purpose passenger vehicles,
passenger cars, or trucks�
• In a vehicle with rear designated seating positions,
vehicle owners should be alerted that, according to
accident statistics, children are safer when properly
restrained in the rear seating positions than in the front
seating positions� To ensure your child’s safety, please
study Vehicle Seating Positions on page 36 and consult
your vehicle owner’s manual�
• To prevent injury due to deterioration or hidden damage,
discontinue use of this child seat when it is older than
nine (9) years or has been in a moderate or severe crash�
See expiration date on Serial Number and Manufactured
Date Label located on the child seat shell� See page 3�

5
GROW WITH YOU User Guide
• Always make sure the child restraint system is secured to
the vehicle, even when unoccupied, since in a crash an
unsecured child restraint system may injure occupants�
The unoccupied child seat can be secured to the vehicle
by attaching the lower connectors to the lower anchors
in the vehicle, or by fastening the vehicle seatbelt across
the unoccupied child seat�
• The use of non-Britax covers, inserts, toys, accessories,
or tightening devices is not approved by Britax� Their
use could cause this child seat to fail Canada Motor
Vehicle Safety Standards or not perform as intended in
a crash�
• The primary protection for occupants of a vehicle in a
collision is the body of the vehicle itself; a child seat
will not protect a child when a vehicle is seriously
impacted� However, correctly installed, a child seat
will substantially improve chances for survival in most
crashes� Make sure all users fully understand the correct
ways to use this child seat in a vehicle�
Important Notes
• Before each use, check this child seat and its
components to make sure they are in good condition
and good working order�
• Do not install with LUAS for a child weighing more than
20�4 kg (45 lbs) in harness mode�
• Discontinue use of this child seat if it has been in a
moderate or severe crash� It is not necessary to replace
a car seat after a minor crash defined by the US
National Highway Trac Safety Administration (NHTSA)
as:
a�The vehicle is driveable from the crash site; and
b�The vehicle door nearest the child seat was not
damaged; and
c�No vehicle occupants were injured; and
d�There is no visible damage to the child seat; and
e�The airbags (if present) did not deploy�
• Cover the child seat when the vehicle is parked in direct
sunlight� Metal parts of child seat could become hot
enough to burn a child�
• Store the child seat in a safe place when it is not being
used� Avoid placing heavy objects on top of it�
• Do not, except as described in this booklet, attempt to
disassemble any part of the child seat or change the
way the harness or vehicle’s seat belts are used�
• Never use the harness or adjuster strap to lift or carry
this child seat� Doing so could damage the harness
adjuster and webbing� Always carry this child seat by
the shell or tether straps�
• Third party recommendations are subject to change, so
we recommend you visit their websites for the most up
to date recommendations�

6
BRITAX Child Safety, Inc.
Registration
Child seats can be recalled for safety reasons� You must
register this child seat to be reached in a recall� Send your
name, address, and the child seat’s model number and
manufacturing date to Britax Child Safety, Ltd�, P�O Box
7289 RPO Brunswick Square, Saint John NB E2L 4S6, or
call 1-888-427-4829, or register online at us.britax.com/
registration�
For your convenience, record all the information about
your child seat below� Refer to the Serial Number &
Manufactured Date Label for all information (see page 3)�
Model Name and Number: ______________________________
Serial Number: ________________________________________
Batch Number: ________________________________________
Date of Manufacture:___________________________________
Certification
This restraint is certified for use in motor
vehicles and aircraft when used in harness
mode� This restraint is not certified for
use in aircraft when used in booster mode
because belt-positioning boosters require
lap-shoulder belts not available in aircraft�
Motor Vehicles
This child seat system conforms to all applicable Canada
Motor Vehicle Safety Standards (CMVSS 213 and 213�2)�
Aircraft
For aircraft installation, follow the instructions on pages 14 -15�
The tether cannot be used�
– Install your child seat in a window seat to avoid
blocking the aisle�
– If the aircraft lap belt is too short, ask a flight
attendant for a belt extender�
– Your child may experience discomfort if the buckle
is located in the seating area of the child seat after
installation�
– Inflatable aircraft lap belts are not compatible with
this child seat�
– This seat may not fit all aircraft� Contact your airline
prior to travel to verify fit�

7
GROW WITH YOU User Guide
Child Fit Information
Harness Mode
Children must:
1� Be at least two years of age; and
2� Weigh between 11�3 and 30 kg (25 and 65 lbs); and
3� Stand between 85 and 125 cm (34 and 49 in�) in height;
and
4� The top of the child’s ears
must be below the top of
the head restraint when
seated; and
5� The harness straps must
be in the closest position
at or above the child’s
shoulders when seated�
Booster Mode
NOTE: Britax recommends booster mode only after the
child outgrows harness mode.
Children must:
1� Weigh between 18 and 54 kg (40 and 120 lbs); and
2� Stand between 112 and 160 cm (44 and 63 in�) in
height; and
3� The top of the child’s
ears must be below
the top of the head
restraint; and
4� The vehicle shoulder
belt must lay straight
across the center
of the child’s chest,
with the shoulder
belt guide positioned
above the child’s shoulders and does not contact the
child’s neck; and
5� The lap part of the vehicle seat belt should be worn
under the armrests and rest low on the child’s upper
thighs�
Shoulder level
Above Shoulder Level
Below Shoulder Level

8
BRITAX Child Safety, Inc.
Installing the Child Seat
General Information
Harness Mode
Install forward-facing only�
DO NOT use anything to raise the child seat o of the
vehicle seat�
DO NOT install with LUAS for a child weighing more than
20�4 kg (45 lbs) in harness mode�
The top tether must be used at all times when installing
the child seat in harness mode� Using the top tether will
improve the stability of your child seat and reduce the risk
of injury�
• Use this child seat in harness mode with children at
least 2 years of age and who weigh between 11�3 and
30 kg (25 and 65 lbs) and who stand between 85 and
125 cm (34 and 49 in�) in height� Britax recommends
using harness mode until your child outgrows its fit
requirements� See the Child Fit Information section on
page 7 for more information�
• This seat may be used in
either the upright or recline
position in harness mode
(see illustrations at right)�
WARNING!
Upright Position
Reclined Position

9
GROW WITH YOU User Guide
Booster Mode
WARNING!
Position forward-facing only in a seating position with a
lap-shoulder belt�
Use only the vehicle’s lap and shoulder belt system when
securing a child in booster mode� Never secure a child
with a lap belt only in booster mode�
Always secure the unoccupied child seat to the vehicle
by attaching the lower connectors to the lower anchors in
the vehicle, or by fastening the vehicle seatbelt across the
unoccupied child seat�
If the lower anchors in your vehicle prevent proper vehicle
belt fit across your child you cannot use LUAS to position
this seat in booster mode� See below:
The vehicle belt fits properly when the
vehicle shoulder belt lays straight across
the center of the child’s chest, above the
child’s shoulder and does not contact
the child’s neck (A)� The lap part of the
vehicle belt should be worn under the
armrests and rest low on the child’s
upper thighs (B)�
• This child seat can be used in booster mode with
children who weigh between 18 and 54 kg (40 and 120
lbs) and stand between 112 and 160 cm (44 and 63 in�)
in height� Britax recommends using booster mode only
once your child has outgrown harness mode�
• This child seat cannot be
in the recline position when
used in booster mode�
• In booster mode, this child
seat can be positioned on
the vehicle seat using the
LUAS�
• Use the vehicle’s lap-
shoulder belt to secure
the child� Ensure that the
LUAS does not interfere
with the vehicle belt
function and alignment
when securing your child�

10
BRITAX Child Safety, Inc.
Installation in Harness Mode
Lap-Shoulder Belt
Before you begin:
• Check your vehicle owner’s manual to determine what type of
vehicle belt you have and how it can be locked for use with child
seats.
• Check that your vehicle has a top tether anchor.
• The top tether must be used at all times when installing the
child seat in harness mode. Using the top tether will improve the
stability of your child seat and reduce the risk of injury. Check
your vehicle owner’s manual for tether anchor locations.
• Loosen the tether and place it over the child seat back to keep it
from becoming pinned between the child seat and vehicle seat
during installation.
• Adjust the child seat to desired position and place forward facing
on the vehicle seat.
1� Pull seat cover forward�
2� Pull the vehicle belt out
and route along the green
belt path� Verify that the
belt is not twisted and then
buckle�
3� Push the child seat firmly
into the vehicle seat while
removing all slack from
the lap part (A) and the
shoulder part (B) of the
vehicle belt�
NOTE: Ensure that the
vehicle belt is locked as
directed by your vehicle
owner’s manual.
NOTE: The child seat is
secure when it cannot be
moved front-to-back or
side-to-side more than 2.5
cm (1 in.) at the belt path. If
the child seat is not secure,
repeat the installation or
use a dierent seating
location.

11
GROW WITH YOU User Guide
4� Firmly press the tether
hook over a designated
vehicle tether anchor�
Remove slack�
5� Secure excess webbing
with the elastic strap�
9All connections are secure and vehicle belt is not twisted�
9Vehicle belt is locked as directed by your vehicle
owner’s manual�
9Child restraint cannot be moved front to back or side
to side more than 1 in� (2�5 cm) at the belt path� If the
child restraint is not secure, repeat the installation or
use a dierent seating location�
9Excess top tether webbing is contained within your
vehicle and secured�
NOTE: To ensure proper
installation of the child
seat: Route the lap and
shoulder portions of the
vehicle seat belt through the
gap/notch in the seat shell
as shown.
Lap-Shoulder Belt
Or
Or

12
BRITAX Child Safety, Inc.
LUAS
Before you begin:
• Check that your vehicle has lower anchors.
• Use the vehicle belt (not lower connectors) for harness mode
installations with children who weigh more than 20.4 kg (45
lbs).
• Check that your vehicle has a top tether anchor.
• The top tether must be used at all times when installing the
child seat. Using the top tether will improve the stability of your
child seat and reduce the risk of injury. Check your vehicle
owner’s manual for tether anchor locations.
• Loosen the tether and place it over the child seat back to keep
it from becoming pinned between the child seat and vehicle
seat during installation.
• Adjust the child seat to desired position and place forward
facing on the vehicle seat.
1� Pull seat cover and seat
pan forward to access the
lower connectors�
2� Route the lower connector
strap along the green belt
path behind the seat pan
and firmly press the lower
connectors onto their
adjacent lower anchors�
NOTE: Verify that the strap
is not twisted.
3� Push the child seat firmly
into the vehicle seat while
removing any slack from
the lower connector strap
to remove slack�
NOTE: The child seat is
secure when it cannot be
moved front-to-back or
side-to-side more than
2.5 cm (1 in.) at the belt
path. If the child seat
is not secure, repeat
the installation or use a
dierent seating location.

13
GROW WITH YOU User Guide
9All connections are secure and strap is not twisted�
9Child restraint cannot be moved front to back or side
to side more than 1 in� (2�5 cm) at the belt path� If the
child restraint is not secure, repeat the installation or
use a dierent seating location�
9Excess top tether webbing is contained within your
vehicle and secured�
4� Firmly press the tether
hook over a designated
vehicle tether anchor�
Remove slack�
5� Secure excess webbing
with the elastic strap�
LUAS
Or
Or

14
BRITAX Child Safety, Inc.
Lap Belt
Before you begin:
• Check your vehicle owner’s manual to determine what type of
vehicle belt you have and how it can be locked for use with child
seats.
• Check that your vehicle has a top tether anchor.
• The top tether must be used at all times when installing the
child seat. Using the top tether will improve the stability of your
child seat and reduce the risk of injury. Check your vehicle
owner’s manual for tether anchor locations.
• Loosen the tether and place it over the child seat back to keep it
from becoming pinned between the child seat and vehicle seat
during installation.
• Adjust the child seat to desired position and place forward
facing on the vehicle seat.
1� Pull seat cover forward�
2� Pull the vehicle belt out
and route along the green
belt path�
NOTE: Verify that the strap
is not twisted.
3� Push the child seat firmly
into the vehicle seat while
removing all slack from
the lap part�
NOTE: Ensure that the
vehicle belt is locked as
directed by your vehicle
owner’s manual.
NOTE: The child seat is
secure when it cannot be
moved front-to-back or
side-to-side more than
2.5 cm (1 in.) at the belt
path. If the child seat
is not secure, repeat
the installation or use a
dierent seating location.

15
GROW WITH YOU User Guide
4� Firmly press the tether
hook over a designated
vehicle tether anchor�
Remove slack�
5� Secure excess webbing
with the elastic strap�
Lap Belt
9All connections are secure and vehicle belt is not twisted�
9Vehicle belt is locked as directed by your vehicle
owner’s manual�
9Child restraint cannot be moved front to back or side
to side more than 1 in� (2�5 cm) at the belt path� If the
child restraint is not secure, repeat the installation or
use a dierent seating location
9Excess top tether webbing is contained within your
vehicle and secured�
Or
Or

16
BRITAX Child Safety, Inc.
Installation in Booster Mode
LUAS
Before you begin:
IMPORTANT: It is not necessary to use lower anchors
or tether to position this child restraint in booster mode�
To use this seat in booster mode without lower anchors,
see instructions for Securing Your Child on page 19�
IMPORTANT: Use lower anchors to secure the child
seat to the vehicle seat even when unoccupied, since in
a crash an unsecured child restraint system may injure
occupants� Secure your child using the vehicle’s lap-
shoulder belt system�
• Check that your vehicle has lower anchors.
• Check that your vehicle has a top tether anchor.
• Loosen the tether and place it over the back of the child seat
back to keep it from becoming pinned between the child seat
and vehicle seat during positioning.
• Adjust the child seat to the upright position and place forward
facing on the vehicle seat.
Or
Or
1� Pull seat cover and seat
pan forward to access
lower connectors�
2� Route the lower connector
strap along the green belt
path behind the seat pan
and firmly press the lower
connectors onto their
adjacent lower anchors�
NOTE: Verify that the strap
is not twisted.
3� Pull the end of the lower
connector strap to remove
slack�
4� Firmly press the tether
hook over a designated
vehicle tether anchor�
Remove slack�
5� Secure excess webbing
with the elastic strap�

17
GROW WITH YOU User Guide
Securing Your Child
Harness Mode
WARNING!
Never route the vehicle belt over the child when using
this child seat in harness mode�
Adjust the belts provided with this child seat so they
fit snugly around your child� A snug strap should not
allow any slack� It lies in a relatively straight line without
sagging� It does not press on the child’s flesh or push
the child’s body into an unnatural position�
Verify that the child seat is secure and the harness is
properly adjusted around the child each time the child
seat is used�
Before you begin:
Always check the seat area for debris and remove it to prevent
interference with the harness adjuster mechanism.
1� Loosen the harness�
a� Press the release lever�
b� Pull both harness straps
forward�
2� Open the chest clip�
a� Press tabs�
b� Pull apart�
3� Release the buckle and
place the harness straps
around the armrests�
4� Place the child in the child
seat� Ensure the child
is positioned upright in
the child seat and not
slouching� Their bottom
must touch the child seat,
and their back must rest flat
against the back of the child
seat�

18
BRITAX Child Safety, Inc.
5� Position the harness
straps around the child
(see page 21)�
NOTE: Adjust the harness
to fit the clothes the child
is wearing. Remove bulky
coats, jackets and/or bulky
sports equipment before
putting the child in the
child seat.
6� Fasten the harness buckle�
Proper connection is
confirmed with a click
after inserting each buckle
tongue�
7� Pull the harness adjuster
strap to tighten the
harness�
NOTE: The harness should
have a snug fit around the
child. A snug strap should
not allow any slack. It lies
in a relatively straight line
without sagging. It does
not press on the child’s
flesh or push the child’s
body into an unnatural
position. You should not
be able to pinch excess
8� Fasten the chest clip and
place at armpit level�
Pull the harness adjuster
away from the child seat
(parallel to the ground) to
tighten.
Do not pull sideways.
Before traveling, verify that the:
9Harness straps are not twisted�
9Harness is snug�
9Buckle is fastened�
9Chest clip is at the child’s armpit level�
9Bulky coats, jackets, and/or bulky sports
equipment are removed�