Britax First Class Si - Identification of Key Components; Seat-Belt Types and Requirements; Fitting Your Child in the First Class Si; Harness and Strap Adjustment

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IMPORTANT - The First Class Si 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
These are the different parts of the First Class Si. You need to know these before
installing the First Class Si in your car.
Types of seat-belt
10. Adjuster strap
11. Diagonal seat-belt guides
12. Seat shell
13. Red seat-belt lock
14. Routing label
15. Alternative routing position
16. Yoke (between shell and base)
17. Base
18. Recline foot for rearward facing use
19. User guide storage (in recline foot)
1. Shoulder strap slots
2. Chest pads
3. Harness
4. Buckle
5. Buckle comfort pad
6. Seat-belt guides (lap belt) for
rearward facing use
7. Newborn insert
8. Harness adjuster button
9. Recline handle
1
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
10
10
63513_BBO-604-04_pages 12/16/03, 11:56 AM4