
USA
EN Instructions for use
FIUS1601I235
WARNING:
Weight limits:
40 – 120 lbs
(18 – 54 kg)
Height limits:
39 - 57 inches
(99 – 145 cm)
• Do not install or use this
booster seat until you read
and understand all the
instructions in this manual
and the labels. To avoid
serious injuries to your
child, follow the instructions
carefully. Keep the instruction
manual in the dedicated
pocket for future reference.

2
Table of Contents
Introduction .....................................................................3
Warning .....................................................................5
Safety information .........................................................7
Registration form ..........................................................8
Your booster seat .............................................................9
Rigid Latch......................................................................10
Product components..................................................11
Opening the product before use.............................12
Product features ...........................................................13
Vehicle seatbelts design and compatibility ........16
Vehicle seat design and compatibility .................19
Installing the booster seat in the vehicle ..............21
Securing your child in the booster seat ..................26
How to fold and carry the car seat ...........................31
Cleaning and maintenance ....................................33
Accessories....................................................................44
Replacement Par ts .......................................................45
© 2016 Peg-Perego. All rights reserved.

3
Introduction
Thank you for choosing the Peg Perego Viaggio Flex
120 booster seat. As with all Peg Perego products,
your Viaggio Flex 120 has been designed and certied
by a dedicated team of engineers inside Peg Perego's
research and development department. lt has been
manufactured and assembled in a Peg Perego plant
under certied quality procedures and using high
quality materials from certied suppliers. As with all
booster seats, the Viaggio Flex 120 is designed to be
used with a child inside a vehicle.
We encourage you to use the Viaggio Flex 120 with
the utmost concern by driving carefully when a child
is on board and by taking your time to explore the
product to get to know all of the features, dierent
possible uses and the best and proper installations.
Please read through the manual in its entirety with
the product in sight. This will allow for checking every
point on the product and thoroughly understanding
it. lnstall the Viaggio Flex 120 in your vehicle by taking
the necessary time and making tting trials before
using it with your chiId. Once the manual has been
read, store it in the base of the Viaggio Flex 120 to

4
Introduction
ensure that anyone else using the seat will be able to
access it for help.
Should you see any malfunctioning feature or broken
parts, please do not hesitate to call Peg-Perego
Customer Service @ 1-800-671-1701 for help. Now
that you are familiar with your new Viaggio Flex 120,
you are ready to enjoy safe and happy journeys with
your family.

5
Warning
• Do not install or use this booster seat until you read
and understand all the instructions in this manual and
the labels on the product. To avoid serious injuries to
your child, follow the instructions carefully. Keep the
instruction manual in the backrest for future reference.
• Your child could be seriously injured if you do not
follow instructions and warning labels correctly.
• Use only the vehicle's lap and shoulder belt system
when restraining the child in this booster seat. Snugly
adjust the belt around child's body making sure that
the belt lies at with no slack.
• This booster seat meets or exceeds all applicable
Federal Motor Vehicle Safety Standard 213
requirements for use in motor vehicles. This restraint
is NOT certied for aircraft use since aircraft seats are
normally equipped with lap belt only.
• Not all available models of seatbelts are approved for
use with this product. Refer to the dedicated section in
this manual for further details.
• Viaggio Flex 120 can be secured to your vehicle by
means of lower universal anchorage system (LATCH)
for added stability. Refer to the dedicated section in
this manual for installation details and check your
vehicle owner’s manual for further details.
• This booster seat is designed to be installed on front

6
facing vehicle seats only. Never use on seats looking
sideways or rearward facing. Do not use in cars with doormounted or motorized shoulder belts. Read your vehicle
owner’s manual for additional information.
• According to accident statistics, children are safer when
properly restrained in the rear seating positions than in
the front seating positions.
• Complete and send in the registration form provided
with this product right away. In case of an accident: if this
car seat is involved in a car accident, it may be no longer
safe for use. You may need to get a new unit. Call PegPerego Customer Service at 1-800-671-1701 (toll free) for
information about repairs or spare parts.
• Seat covers and pads provided in this product are part
of the product and the certication program. The use
of non approved covers or other accessories are not
recommended .
• EPS components (white soft foam located below the
upholstered covers) are integrated in the product as
safety related parts and should never be removed or
damaged.
• Secure this booster seat in the car even when not
occupied. This car seat is a heavy object that could cause
severe damage to other occupants in case of an accident.
• Keep ngers away from moving parts.
Warning

7
Safety Information
• Use Viaggio Flex 120 in forward facing mode with children
weighing in the range 40 – 120 lbs (18 – 54 kg) and whose
height is between 39 and 57 inches (99 – 145 cm).
• When placing your child in the seat, make sure that bulky
jackets or covers are removed. This will make the use of seatbelts
easier and therefore correct.
• Do not leave your child unattended in the vehicle, even for
a short period. He/she could get tangled in the straps and be
seriously injured or could move or tip the seat.
• Do not leave the booster seat under direct sunlight for a
prolonged time. The seat may become very hot and burn
your child’s skin. In this eventuality, make sure that the booster
backrest is folded (page 31).
• When not in use, store the product in a proper place, away
from light, moisture, excessive heat or cold.
• Do not place this car seat on countertops, tables or soft surfaces.
• Do not try to remove or add parts unless where explained
in this manual; do not try to repair this product. In case of
damaged or defective components, call customer service @
1-800-671-1701 for help.
• Do not leave loose objects, bags or luggage in the vehicle
interior. In case of an accident they could suddenly move
causing the occupants to be injured.
• Do not use this unit after twelve (12) years from the date of
production labelled on the seat.

8
Registration Form
Important! 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:
Peg-Perego U.S.A., Inc. 3625 Independence Drive
Fort Wayne, IN 46808 Or call 1-800-671-1701 (toll free)
Or register online at
www.carseat-registration.pegperego.com
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
Model number, model name,
date of manufacturing, etc.
are indelibly printed on a label
located under the seat base (as
shown here). Registration form
is attached to the product
cover. Detach the form, ll in
and mail to Peg-Perego. No
stamp is needed. We have
already paid for it. Should
the registration form be
missing, please call Customer
Service @ 1-800-671-1701 for a
replacement form.

9
Your booster seat
Backrest
wings adjustable
knob
Rigid latch
connectors
Cup holder
Rigid latch handle
Seat
Backrest
Headrest
Shoulder
belt router
Headrest
adjustable
handle
Recline
handle
Rigid latch
release button
Instruction
manual

10
Rigid Latch
Viaggio Flex 120 is equipped with rigid latch.
The rigid latch interface is composed of two connectors,
located in the integrated base of the child restraint and
two anchors located at the joint line between the seat
and backrest of the vehicle.
The spacing between connectors corresponds to the
spacing between the anchors in the vehicle.
Connector
(Rigid latch)
Anchors

11
Product components
1. Always check the
product prior to use. The
product is composed of:
headrest (a), backrest (b),
seat (c), Rigid Latch Base
integrated into the seat
(d).
The car seat is ready
for use: no assembly
operation is required.
In case of missing or
malfunctioning parts,
please contact our
Customer Service @
1-800-671-1701 for help.

12
Opening the product before use
1. Raise the car seat
backrest until it clicks; the
product should remain
upright on its own. The
backrest oscillates by a
few degrees to better
fit the different types of
vehicle seats.
click

13
Product features
Viaggio Flex 120 adjusts
to grow with your child.
Each adjustment is
independent to ensure
maximum exibility of use.
1. The headrest can be
adjusted in 5 positions. Lift
the handle (g_a) on the
back of the headrest and
simultaneously raise the
headrest (g_b), placing it
at the desired height.
IMPORTANT: as the
child grows, it is necessary
to adjust the height of the
headrest according to
that of the child.
IMPORTANT:
after completing the
operation, try to move
the headrest to ensure
it is correctly tted in
place.
1
2
3
4
5
1
2
3
4
5

14
Product features
1
2
2
2. The width of the
backrest may be adjusted
using the central knob (1)
to widen or tighten the
side restraining wings (2).
Turn the knob clockwise
to widen the wings. This
operation is required as
your child grows.
3. The height of the
backrest may be adjusted
in 3 positions: push the
handle on the rear of the
backrest upwards (1) and
lift at the same time the
entire backrest (2) to the
desired position. To lower the
backrest, pull the handle (1)
and push at the same time
the backrest downwards (2).
This operation is required as
your child grows.
2
1
1
2
3
1
2
3

15
Product features
4. Viaggio Flex 120 is
tted with a reclining
system that guarantees
maximum comfort. To
recline the seat, pull the
handle (g_a) on the
front and simultaneously
recline the product
(g_b).
5. Viaggio Flex 120 is
tted with two side cup
holders.

16
Vehicle seatbelts design and compatibility
Viaggio Flex 120 is designed to be installed with lap
and shoulder vehicle belts commonly fitted on most
of the available cars. However, in the market there are
several different types of vehicles manufactured in
different periods.
As a result, there are many different vehicle belt
designs. Unfortunately, some may be unsuitable for
a safe installation of Viaggio Flex 120. Please read
carefully the list below and in case of problems or
doubts, double check your vehicle owner’s manual or
call Peg Perego Customer Service @ 1-800-671-1701
for additional help.

17
1. Lap/motorized
shoulder belts. Belts
mounted on the door
2. Lap belt only of any
kind.
Vehicle seatbelts design and compatibility
NON COMPATIBLE VEHICLE BELT DESIGNS
WARNING: do not use Viaggio Flex 120 with the
following vehicle belt design:

18
Vehicle seatbelts design and compatibility
Viaggio Flex 120 is a booster seat equipped with
rigid latch. Although the rigid latch is used for
added stability only, its use is recomended.
When installing the seat, make sure that there is
enough space between the attached seat and the
vehicle belt buckle (a). On certain vehicles, the
buckle and the latch anchors may be close one to
the other.
In the unlucky eventuality that they are too
close (b), or even overlapped, the contemporary
use of vehicle seatbelts and rigid latch may be
not possible; please refer to the vehicle owner's
manual for a suitable installation position or
contact Peg-Perego Customer Service @ 1-800671-1701 for additional help.
In case your vehicle is equipped with flexible
buckles, make sure that the buckle position allows
for trouble free attachment of the vehicle seatbelt
plate (c).

19
Vehicle seatbelts design and compatibility

20
WARNING: do not use Viaggio Flex 120 with the
following vehicle seat design:
1. Side facing seats
2. Rear facing seats or seats that rotate in dierent
positions
For your child’s safety, always read your vehicle
owner’s manual for further informations.
NO
NO
NO
Vehicle seat design and compatibility

21
Installing the booster seat in the vehicle
How to attach the car seat on vehicle seats equipped
with latch anchors.
If your car is not fitted with latch positions, go to
the next section. For further information on the
availability of the anchors and their location, refer to
the vehicle's instruction manual.
IMPORTANT NOTE: use of LATCH connectors are
recommended by Peg-Perego to achieve the best
stability of the product in case of sudden or steep turns.
Also, using the LATCH will give guarantee that the
product is located in the correct position with respect to
the vehicle belt attachment points.
Use of latch does NOT replace the use of vehicle's
seatbelt to restraint your child.

22
Installing the booster seat in the vehicle
2. Attach the connectors
to the vehicle seat
anchors, ensuring they
“click” into place.
click
1. To expose the
connectors located
inside the base, pull the
handle on the bottom
front part of the seat
(fig_a). The connectors
will be ejected (fig_b).
Repeat to make sure they
have been ejected fully
and simultaneously.

Installing the booster seat in the vehicle
4. After attaching the seat,
pull the front handle again
(fig_a) and, at the same
time, push the car seat
towards the vehicle’s seat
(fig_b), then release the
handle.
By doing this the release
buttons on the side of
the base will disappear
(fig_c), thus preventing
inadvertent release.
3. IMPORTANT:
The vehicle anchors and
the car seat connectors
are correctly coupled
when a green signal
appears above the
connectors (fig_a). A red
signal indicates that the
attachments have NOT
been coupled correctly
(fig_b) .

24
1
2
2
1
Installing the booster seat in the vehicle
5. To release Viaggio Flex
120 from the vehicle seat,
pull the handle (1) and
the seat until the release
buttons on the side of the
base are fully revealed. In
so doing, the yellow release
buttons will be visible on
the sides of the base; pull
the two buttons (2) until
you hear the attachments
click open. At this point
you can remove the car
seat.
6. To reposition the
connectors inside the base
(when not in use), pull the
lever once more (1) and
simultaneously push one
of the two connectors in (2)
until they disappear.

Installing the booster seat in the vehicle
How to attach the car
seat on vehicle seats
not equipped with latch
anchor positions.
7. Place the Viaggio Flex
120 car seat on the vehicle
seat in the direction
of travel, leaving the
connectors inside the
base (fig_a) and position
the child in the seat as
shown in the picture
(fig_b), ensuring the
car seat does not move
during this operation.

26
1. Secure your child with
the vehicle seat belt as
shown in the picture.
click
Securing your child in the booster seat
2. Fasten the vehicle
seat belt, ensuring that
it clicks in place. Position
the two sections of the
belt as shown in the
picture.

3. Thread the belt
through the router
placed on the headrest:
thread the belt between
the router and the
headrest (1) until it slides
completely into the
router slot (2).
IMPORTANT: If the
belt is loose, pull it
tight above the loop
(3). Ensure the belt is
always tensioned and
not twisted.
Securing your child in the booster seat
3
2
1

28
Securing your child in the booster seat
4. To remove the belt,
slide it out of the
router slot (1) and then
between the router and
the headrest (2) until it is
completely removed.
1
2

Securing your child in the booster seat
1"
With the child in the
booster seat, adjust
headrest height making
sure that the belt passes
at or above shoulder level.
The headrest is properly
set when the shoulder
belt router is located at
no more than 1" above
shoulder level and the
shoulder lies at the center
of child's chest.
Viaggio Flex 120 is
equipped with an
adjustable headrest and
backrest. While making
sure that the headrest is
adjusted as above, check
that the top of the backrest
is always in line with the
shoulders or above (fig_a).
Also check that the top of
the head stays within the
top of the headrest (fig_b).