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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 First Class Si is designed for children from
birth to approx four years (Birth to 18kg). It is designed to carry children from Birth
to 13kg in rearward facing mode and 9kg to 18kg in forward facing mode.
This manual also contains a section on how to care for your child car seat.
Contents
Vital information – Read now
page
0
2
Frequently asked questions
page
0
3
Crucial parts of your child car seat
page
0
4
Fitting your child in the First Class Si
Adjusting the harness
page
0
5
Checking the height of the shoulder straps
page
0
6
Removing your child from the First Class Si
page
0
8
Changing the height of the shoulder straps
page
0
8
Fitting the seat rearward facing
page 11
To remove the First Class Si from the car
page 13
Removing the Newborn Insert
page 14
Fitting the seat forward facing
page 16
Option A - standard routing
page 16
Option B - alternative routing
page 19
Reclining the seat
page 21
Looking after the First Class Si
page 22
Removing the cover
page 22
Cleaning the cover
page 23
Cleaning the harness, chest pads and seat
page 23
Refitting the cover
page 23
Removing and cleaning the buckle
page 24
Important information - read before your first journey
page 25
Final Checklist
page 26
If in doubt
page 26
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