Trio
Trio
75-4/71,-
A highly versatile two-part car seat
Suitable for use from 9kg to 36kg (approx 9 months to 11 years)
Can be fitted in front* and back seats of most cars using the
adult lap and diagonal seat-belt.
UNIVERSAL
9 - 36kg Y
E
11
03.44.158
THE MOST TESTED CAR SEAT ON THE ROAD
*WARNING: DO NOT use on passenger seats fitted with a
front airbag unless your vehicle manufacturer confirms it is safe.
- 1 -
Thank you for choosing Britax
It is important that you read this User Guide BEFORE trying to install your child car
seat (surveys have revealed that 7 out of 10 car seats are not installed correctly or
being used properly Source: RAC). The Trio is designed so that it can be adapted
to suit the weight of your child as they grow. There are 3 stages to follow and this
User Guide will take you through each of them, to make installing and using your
child car seat easier.
Stage 1: Using the Trio with the integral harness - from 9kg to 18kg
Stage 2: Using the Trio with the adult seat-belt and shoulder clip - from
15kg to 25kg
Stage 3: Using the Trio as a booster seat - from 15kg to 36kg
There is also a section explaining how to care for your child car seat.
Contents
Vital information Read now page 02
Frequently asked questions page 02
Crucial parts of your child car seat page 03
Stage 1: Using the Trio with the integral harness - from 9kg to 18kg
Preparing to install the Trio in the car page 04
Installing the Trio in the car page 06
Correct buckle position page 08
Fitting your child in the Trio page 09
Stage 2: Using the Trio with the adult seat-belt and shoulder clip from 15kg to 25kg
Stowing the harness away page 09
Attaching the red locking clip page 11
Installing the Trio in the car page 12
Stage 3: Using the Trio as a booster seat - from 15kg to 36kg
Removing the backrest page 13
Fitting your child on the booster seat page 14
Returning your Trio to Stage 1 page 15
Looking after your Trio
Removing, cleaning and refitting the cover page 16
Cleaning the harness, chest pads & seat page 17
Removing & cleaning the harness buckle page 18
Important information Read before your first journey page 19
Final checklist page 20
If in doubt page 20
- 2 -
Vital Information - READ NOW
WARNING - DO NOT use the Trio on a passenger seat fitted with a front
airbag, unless your vehicle manufacturer confirms it is safe.
DO NOT use the Trio on side facing vehicle seats.
DO NOT use the Trio in the home. It has not been designed for home use and should only be
used in your car.
DO NOT use anything, such as a cushion or coat, to raise the Trio off the passenger seat. In an
accident the Trio and your car seat-belts would not be able to protect your child as well as they
should.
DO NOT attempt to dismantle, modify or add to any part of the Trio or change the way your car
seat-belts are made or used.
DO cover the Trio if your car is left in direct sunlight. Metal and plastic fittings can become hot
to touch in sunny weather and the cover may become faded.
DO keep this User Guide in the pocket on the back of the cover or under the booster cover.
No child seat is escape proof
Harness systems cannot be designed to be completely child proof and yet comply with the
legal requirements of European Standard ECE R44. The harness must be fastened and adjusted
correctly at all times and children encouraged to remain within the harness system.
Frequently asked questions
Does the Trio fit all cars?
All makes, models and years of car differ from one another and it is not guaranteed that
this restraint will fit your car. For advice as to the suitability of this restraint for your car
please call our Customer Service Helpline on 01264 386034.
Can I put my child in the Trio before they reach 9kg in weight?
No, the weight range corresponds with the European Standard applying to child car seats
and the Trio has been tested and approved from 9kg. In addition to weighing 9kg your child
should also be able to sit unaided with confidence.
Can I install the Trio using a lap-belt?
No, the Trio MUST only be used with a lap and diagonal seat-belt.
When do I adjust the headrest and harness to the correct height for my child?
When you first purchase the Trio, then periodically as your child grows (see "Harness
adjustment" on page 4).
Can I buy a spare cover in the same fabric I currently have?
Spare covers are available in SELECTED fabrics only. To find out which fabrics you can
choose from please contact our Customer Service Helpline on 01264 386034.
What do I do if the harness buckle does not click when I fasten it?
Follow the instructions "Removing and cleaning the harness buckle" on page 18.
Second-hand car seats
The British Standards Institution and Britax advise that child car seats should not be bought or
sold second-hand. Many seats sold through local advertising and car-boot sales have been found
to be dangerous. Please dispose of your child car seat safely.
- 3 -
IMPORTANT - The Trio MUST only be used with a lap and diagonal seat-belt
(approved to UN/ECE regulation no. 16 or equivalent standards).
This is a lap-belt
Diagonal
Lap
This is a lap and diagonal seat-belt
OK
NO
Crucial parts of your child car seat
You need to know these before installing the Trio in your car.
Types of seat-belt
12. Headrest cover
13. Backrest cover
14. Headrest adjuster
15. Seat-belt routing slot
16. Carrying handle
17. Backrest
18. Shoulder strap slot
19. Chest pad attachment arm
20. User guide pocket (in cover)
21. Red locking clip (stored in backrest)
22. Yoke (under seat)
1. Sliding headrest
2. Shoulder strap of harness
3. Chest pad
4. Harness buckle
5. Comfort pad
6. Booster cover
7. Adjuster button
(underneath front of seat)
8. Adjuster strap
9. Booster
10. Routing label
11. Harness
1
3
2
4
5
6
7
8
14
11
15
21
12
22
18
17
10
10
13
9
20
16
19
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Using the Trio with the integral harness
IMPORTANT Use the Trio with the integral harness for a child weighing
from 9kg to 18kg.
IMPORTANT The Trio MUST only be installed using a lap and diagonal
seat-belt.
Preparing to install the Trio in the car
IMPORTANT - You must adjust the headrest and shoulder straps of the
harness to the correct position for your child BEFORE installing the Trio as
they cannot be adjusted once installed in the car.
Adjusta-Fit System Headrest and harness adjustment
The Trio has a sliding headrest. The shoulder straps of the harness feed through the
headrest, enabling you to adjust both together quickly and easily to the correct
position for your child.
Place the Trio on the floor. With one
hand under the front of the seat push
the adjuster button in, and with your
other hand below the chest pads, pull
both shoulder straps forward together
as far as possible to loosen the
harness.
1
Unfasten the harness by pressing the
red harness buckle button. Lay the
shoulder straps over the sides of the
seat as shown to avoid the harness
twisting.
Handy Tip - Loosening the
harness and laying the shoulder
straps over the side of the seat
when removing your child helps
prevent harness twisting.
2
Stage 1
C
- 5 -
Place your child in the Trio, supporting
the seat against a wall to ensure it
does not topple over, and fit the
harness loosely around them.
Re-fasten the harness buckle by fitting
the two tongues together and pushing
them firmly into the buckle until you
hear a click.
3
Lift the headrest adjuster at the back
of the seat shell and move it up or
down so that the shoulder strap slots
in the headrest are level with or just
above your childs shoulders (see
below).
4
Click!
When the headrest is in the correct position let go of the headrest adjuster and
ensure it has locked into place.
NO - Too high NO - Too low YES - Correct
5
- 6 -
Installing the Trio in the car
Place the Trio forward facing in your
car. Pull the seat-belt fully out and
hold the lap and the diagonal sections
together. Keep them together as you
pass the seat-belt from the front of the
seat through the first seat-belt routing
slot on the Trio
1
and then pass the seat-belt back
through the second seat-belt routing
slot to the front of your seat.
2
Pull all the slack from the seat-belt to
the front of the Trio and fasten the
seat-belt. Make sure the seat-belt is
not twisted and the lap section passes
under the arms of the booster seat on
both sides.
3
Firmly, push the Trio into the vehicle
seat using your body weight. Pull the
seat-belt here to tighten the lap
section
4
IMPORTANT - The Trio MUST only be installed using a lap and diagonal seat-
belt routed as shown in the following instructions.
- 7 -
Removing the Trio from the car
Unfasten the seat-belt and unthread it from the Trio.
and then pull the diagonal section
of the seat-belt tight here.
5 6
The Trio should now be secure. To
check pull forward firmly on the
harness. There should be little or no
movement.
IMPORTANT - After installing
the Trio you need to check the
position of the seat-belt buckle
(see Correct buckle position
on page 8)
If in any doubt contact our
Customer Service Helpline on
01264 386034.
- 8 -
Correct Buckle Position
1
Once you have installed the Trio it is important that you check the position of
the seat-belt buckle, as this can prevent the achievement of a secure
installation.
If the seat-belt buckle looks like this
and the Trio is firmly installed* then
the seat-belt buckle position is O.K.
* Pull forward firmly on the harness.
There should be little or no
movement.
If the seat-belt buckle looks like this
and the Trio is firmly installed* then
the seat-belt buckle position is O.K.
However, if the Trio is loose when you
pull forward on the harness try another
seating position in the car.
* Pull forward firmly on the harness.
There should be little or no
movement.
If the seat-belt buckle looks like this
try another seating position in the
car.
IMPORTANT - If you are in
any doubt please contact our
Customer Service Helpline on
01264 386034.
2
3
- 9 -
Fitting your child in the Trio
Adjust the harness as detailed on page
4, Using the Trio with the integral
harness.
Check that the harness is not twisted
and pull the shoulder straps up to
tighten the lap section of the harness.
Then tighten the harness by pulling
the adjuster strap forward making sure
the harness is snug. Finally ensure the
chest pads are pulled down onto your
childs chest.
IMPORTANT - Ensure that the
lap section of the harness is low
down on your childs body and
in contact with the pelvis.
1
Using the Trio with an adult seat-belt and the shoulder clip Stage 2
Place the Trio on the floor.
With one hand under the front of the
seat push the adjuster button in, and
with your other hand below the chest
pads, pull the shoulder straps forward
as far as possible to loosen the
harness.
1
IMPORTANT - Use the Trio with an adult seat-belt and the shoulder clip for a
child weighing from 15kg to 25kg.
IMPORTANT - The Trio MUST only be installed using a lap and diagonal seat-
belt routed as shown in the following instructions.
Stowing the harness away
- 10 -
Turn the Trio round, unhook both
shoulder straps from the yoke and pull
them through to the front of the seat.
Remove the chest pads from the
headrest attachment arms and pull
them through to the front of the seat.
2
Place the Trio on its back. Unhook the
larger harness tab from the smaller tab
underneath the booster seat. Take
hold of one harness tab and turn it so
that the short side will go through the
slot. Push the tab through to the front
of the Trio and then through the
booster cover. Repeat with the other
tab.
3
Unfasten the harness by pressing the
red harness buckle button and remove
the comfort pad. Lift the cover and
ease the harness buckle through the
slot in the cover and stow it away in
the recess in the booster shell.
4
The shoulder straps and chest pads are
now detached from the harness.
To store the harness, it is possible to
fold the webbing inside the chest pads
and stow them away in the elastic
hoops that are attached to the cover in
the area of the seat-belt routing slot as
shown.
5
yoke
- 11 -
3
Remove the red locking clip from the
recess in the back of the backrest.
Attach the webbing straps to the yoke,
making sure they are not twisted
1
and then thread it through the
shoulder strap slot to the side nearest
your seat-belt. Undo the user guide
pocket, place the webbing straps
behind the pocket and then refasten it.
Take the comfort pad and ease it over
the locking clip to provide extra
comfort for your childs shoulder.
2
Your Trio is now ready to be used.
Refit the harness by reversing the
above instructions.
Attaching the red locking clip
IMPORTANT - When refitting the
harness it is essential that the two
ends of the harness are linked
together with the harness tabs
underneath the booster seat, and
that the adjuster strap passes
between the user guide pocket
and the back of the seat.
- 12 -
1234
seat-belt
Place the Trio forward facing in your
car, ensuring it is pushed firmly into
the car seat and sit your child on the
seat.
1
Press the adjuster button in and pull
the locking clip forward to adjust the
length of the strap.
Fasten the seat-belt across your child
and the seat. Make sure the seat-belt
is not twisted and the lap section
passes under the arms of the booster
seat on both sides.
Remove as much slack as possible out
of the seat-belt making sure the lap
section is worn low down across the
hips and is comfortably tight.
Keep the seat-belt tight across your
child, holding on to the seat-belt at the
position where it crosses your childs
shoulder.
Now, pull the seat-belt forward away
from your child, keeping hold of the
seat-belt at the position where it
crossed your childs shoulder as this is
where the locking clip must be
attached to the seat-belt.
3
Fasten the locking clip to the diagonal
section of the seat-belt.
IMPORTANT - Have you adjusted the headrest to the correct position for
your child. If not, see page 4, Adjusta-Fit System
4
Installing the Trio in the car
2
- 13 -
To release your child simply undo the
seat-belt.
IMPORTANT - Do not leave
your child seat loose. Always
fasten the seat-belt across the
Trio when it is not being used
by your child to prevent the
seat being hurled forward in the
event of an accident.
Using the Trio as a booster seat Stage 3
Place the Trio on the floor.
Remove the comfort pad from the red
locking clip. Pass the red locking clip
through the shoulder slots in the cover
and headrest.
1
IMPORTANT - You MUST ONLY use the Trio as a booster seat for a child
weighing from 15kg to 36kg.
The Trio MUST only be installed using a lap and diagonal seat-belt routed as
shown in the following instructions.
Removing the Backrest
Gently unfasten the booster cover
from the backrest.
Pull the backrest firmly up and off the
booster. Refit the cover studs into the
holes in the top of the booster arms.
Store the backrest in a safe place.
2
Refitting the backrest
To refit the backrest simply reverse the above process.
Releasing your child from the Trio
Pull the adjuster strap to remove any
slack from the locking clip. Your child
should now be secure.
5
No
Yes
- 14 -
1234
seat-belt
Fitting your child on the booster seat
Place the Trio forward facing in your
car, ensuring it is pushed firmly into
the car seat and sit your child on the
seat.
1
Press the adjuster button in and pull
the locking clip forward to adjust the
length of the strap.
Fasten the seat-belt across your child
and the seat. Make sure the seat-belt
is not twisted and the lap section
passes under the arms of the booster
seat on both sides.
Remove as much slack as possible out
of the seat-belt making sure the lap
section is worn low down across the
hips and is comfortably tight.
2
Stage 3
Keep the seat-belt tight across your
child, holding on to the seat-belt at the
position where it crosses your childs
shoulder.
Now, pull the seat-belt forward away
from your child, keeping hold of the
seat-belt at the position where it
crossed your childs shoulder as this is
where the locking clip must be
attached to the seat-belt.
3
Fasten the locking clip to the diagonal
section of the seat-belt.
4
- 15 -
Pull the adjuster strap to remove any
slack from the locking clip. Your child
should now be secure.
5
To release your child simply undo the
seat-belt.
The red clip can be left attached to the
diagonal section of the seat-belt, but
always make sure that the height of
the clip is correctly adjusted to the
height of your childs shoulder.
IMPORTANT - DO NOT leave your
child seat loose. Always fasten the
seat-belt across the Trio when it is not
being used by your child to prevent
the seat being hurled forward in the
event of an accident.
Releasing your child from the Trio
No
Yes
l Undo the cover studs in the arms of
the booster seat
l Refit the backrest by pushing firmly
down and reattaching the cover studs to
the holes in the backrest (see page 13)
l Remove the strap with the red locking
clip from the yoke and clip it into the
storage space moulded into the back of
the seat (see page 11)
l Ease the harness buckle up through the
booster seat cushion and reattach the
comfort pad (see page 10)
l Lay the harness onto the seat with the
metal harness tabs by the holes in the
booster seat and the harness loops
towards the headrest, fasten the harness
tongues into the buckle
l Push the metal tabs through the
booster cover and then through the slots
in the booster seat. Link the right hand
and left hand harness tabs together under
the seat by sliding the small tab through
the large tab and locking the connected
tabs into the space provided under the
booster seat (see page 10)
Returning your Trio to Stage 1
l Push the webbing attached to each
chest pad through the corresponding
headrest slot and attach it to the headrest
attachment arms (see page 10)
l Push the webbing from the shoulder
strap through the chest pad then the
headrest slot and attach the end loop to
the yoke (see page 10)
IMPORTANT - Make sure that,
l No webbing straps are
twisted
l The lap straps are properly
linked together underneath the
seat
l The shoulder straps are
attached to the metal yoke
l The chest pad straps are
attached to the headrest
attachment arms
l Check the harness looks like
the diagram on page 3
l To start using your Trio again
follow the instructions from
page 1.
- 16 -
Adjust the headrest to the lowest
position and take the headrest cover
off. Gently pull the backrest cover off
from the top of the seat.
3
Remove the booster seat cover by
gently unfastening the studs at the
front and rear of the cover, easing the
harness buckle through the slot in the
cover.
4
Looking after the Trio
Place the Trio on the floor. With one
hand under the front of the seat push
the adjuster button in, and with your
other hand below the chest pads, pull
the shoulder straps forward as far as
possible to loosen the harness.
1
Turn the Trio round, unhook both
shoulder straps from the yoke and
pull them through to the front of the
seat. Remove the chest pads from the
headrest attachment arms pull them
through to the front of the seat.
Unfasten the harness and remove the
comfort pad.
2
Removing the Cover
yoke
- 17 -
Cleaning the harness, chest pads
and seat
Sponge clean ONLY use hand soap
and warm water.
DO NOT take apart, or attempt to
take apart, any part of the harness or
seat when cleaning. It is unnecessary
and dangerous to do so.
DO NOT use solvents, detergents or
washing-up liquid as these may
weaken the harness and the seat.
DO NOT lubricate or oil any part of
the seat.
Replacement Cover
The Trio, its cover, comfort pad and
chest pads have been carefully
designed, manufactured and tested to
high safety standards.
IMPORTANT The cover is a
safety feature. NEVER use the
Trio without it. Dont put your
childs safety at risk by using
other makes of replacement
cover, they could stop the Trio
from protecting your child as
well as it should.
A replacement cover is available from
your Britax stockist.
Please read the labels on the cover for
washing instructions. The cover is
machine washable.
DO NOT tumble dry the cover drip
dry only.
Cleaning the Cover
Refitting the Cover
Refit the cover by reversing the above
instructions.
- 18 -
Lay the Trio on its back. With both
hands under the seat shell use your
fingertips to rotate the tab and push it
up through the slot in the seat shell
and cover.
1
Clean the harness buckle with mild
hand soap and water. Rinse
thoroughly with warm water.
2
Latch and unlatch the tongues into the
harness buckle several times until a
strong click is heard. If you still cannot
hear a strong click run it under warm
water to rinse it again.
IMPORTANT NEVER lubricate
or oil any part of the harness
buckle.
3
To refit the harness buckle to your Trio
hold the tab sideways and insert it into
the slot in the seat shell. Make sure
the red harness buckle button faces
away from the seat.
If the harness buckle still does not
return to its original working order,
contact the Britax Customer Service
Helpline on 01264 386034.
4
IMPORTANT Food and drink may find their way inside the buckle of the
Trio harness. This can stop it from working properly. Follow the instructions
below if you DO NOT hear a click when fastening the buckle.
Removing and cleaning the harness buckle
- 19 -
DO make sure that the Trio does not
become trapped by a folding passenger seat
or in the door of your car.
DO make sure that you adjust the harness
to fit the clothes your child is wearing before
each journey a fitting for winter clothes
will be too slack for a child wearing summer
clothes.
DO put the lightest passenger behind the
Trio if you do not have rear seat-belts in the
car. In the event of an accident they will
cause less damage than a heavier person.
DO store the Trio in a safe place when it is
not being used. Avoid placing heavy objects
on top of it and do not store near direct
heat sources, e.g. radiators.
DO always keep the Trio secure, even if it is
not being used by your child.
Important Information - Read before your first journey
After an accident, the Trio and your car seat-belts should be replaced. Although they may look
undamaged, if you were to have another accident the Trio and your car seat-belts may not be
able to protect your child as well as they should.
After an accident
Guarantee
All Britax products are carefully designed, manufactured and tested. However, should this
product prove faulty within 12 months of purchase due to a materials or manufacturing fault
please return it to the original place of purchase. We will then, at our discretion, either repair it
free of charge or replace it with the same or a similar product.
For guarantee purposes proof of purchase will be required. We recommend that you retain your
receipt and attach it to the User Guide. They should be kept in a safe place.
Britax does not accept liability for damage arising from abuse, misuse or negligence. This
guarantee is not transferable and therefore does not apply to second-hand products.
Your statutory rights are not affected by this guarantee.
DO NOT leave loose objects, such as
luggage or books, in the back of your car.
They must be secured, because if you have
to stop your car suddenly loose objects will
keep moving and can then cause serious
injuries. Large and heavy loose objects are a
particular risk.
DO NOT leave folding passenger seats
unlatched. If you have to stop your car
suddenly a loose seat back could injure your
child.
DO NOT leave children alone in your car,
even for a short time.
DO NOT allow children to play with or
adjust the Trio.
Britax, whilst taking into account
child car seat contact with vehicle
seats throughout the development of
new products, cannot accept
responsibility for damage occurring to
vehicle seats or seat-belts.
- 20 -
Final Checklist
However safe a child seat is, however well built it is, your childs safety depends on
you. Read through this final checklist every time you use the Trio in your vehicle.
1. Have you adjusted the height of the shoulder straps to the
correct position for your child?
See page 4, Preparing to install the Trio in the car.
2. Have you installed the Trio properly?
See page 6
See page 12
See page 14
3. Have you checked the seat-belt buckle position?
See page 8, Correct buckle position.
4. Have you correctly adjusted the harness to suit your child and
the clothes he or she is wearing?
See pages 4, 5 and 9
If in doubt contact our Customer Service Helpline. It would help if you have the
following information to hand before making any enquiry:
Make and model of vehicle ________________________________________________
________________________________________________________________________
Year of vehicle ___________________________________________________________
The position of the child seat in your vehicle__________________________________
________________________________________________________________________
Age and weight of your child _______________________________________________
If in doubt
Customer Service Department
Britax Excelsior Limited
1 Churchill Way West
Andover, Hampshire SP10 3UW
United Kingdom
Customer Service Helpline
Telephone: 01264 386034
email: helpline@britax.co.uk
Internet: http://www.britax.co.uk/
NOTICE
1. This is a Universal child restraint. It is approved to
Regulation No. 44.03 series of amendments, for
general use in vehicles and it will fit most, but not all,
car seats.
2. A correct fit is likely if the vehicle manufacturer has
declared in the vehicle handbook that the vehicle is
capable of accepting a Universal child restraint for
this age group.
3. This child restraint has been classified as Universal under more
stringent conditions than those which applied to earlier designs which do
not carry this notice.
4. If in doubt, consult either the child restraint manufacturer or the retailer.
5. Only suitable if the approved vehicles are fitted with 3 point/static/
with retractor safety-belts, approved to UN/ECE Regulation No. 16 or
other equivalent standards.
UNIVERSAL
9 - 36kg Y
E
11
03.44.158
Point of Sale Information
BBO-593-00
Switchboard: 01264 333343
Customer Service Helpline:
01264 386034
Sales: 01264 386027
Fax: 01264 334146
http://www.britax.co.uk/
Britax Excelsior Limited
1 Churchill Way West
Andover
Hampshire
SP10 3UW
United Kingdom
FM 22321
ISO 9001
Issue: 08/01
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