Britax ISOFIX COMPATIBLE User manual

Instructions for Installation & Use 1
IMPORTANT: KEEP THIS BOOKLET IN THE PLACE PROVIDED
ON THE CHILD RESTRAINT
Birth to 2-3 years (approx) REARWARD FACING
12 months to 4 years (approx) FORWARD FACING
INSTRUCTION MANUAL
CONVERTIBLE CHILD SEAT
ISOFIX COMPATIBLE
Series No. BS3800A-i20133

Instructions for Installation & Use
2
CHILD SEAT FEATURES - REARWARD FACING 22
SET UP
• GENERAL INFORMATION 24
• CONVERT TO REARWARD FACING 25
• INSTALLING INTO YOUR VEHICLE 26
• RECLINE ANGLE 28
• SEATBELT FOR REARWARD FACING 30
• ISOFLEX®FOR REARWARD FACING 34
• TOP TETHER FOR REARWARD FACING 36
• OPEN ADVANCED SIDE IMPACT CUSHION TECHNOLOGY 39
• HEADREST AND SHOULDER HARNESS 40
• REMOVE CHILD FROM CHILD SEAT 43
• CLOSE ADVANCED SIDE IMPACT CUSHION TECHNOLOGY 44
• REMOVE CHILD SEAT FROM VEHICLE SEATBELT 45
• REMOVE CHILD SEAT FROM VEHICLE ISOFLEX®46
QUICK START GUIDE - a shortened version of the manual
• REARWARD FACING SEATBELT 04
• REARWARD FACING ISOFLEX®06
• FORWARD FACING SEATBELT 08
• FORWARD FACING ISOFLEX®10
MEET YOUR CHILD SEAT 12
IMPORTANT INFORMATION AND WARNINGS 14
SHOULDER HEIGHT MARKERS 16
OUTGROWN YOUR CHILD SEAT 20
CHILD SEAT SUITABILITY GUIDE 21
REARWARD FACING
CONTENTS
Scan QR code
for rearward
facing seatbelt
installation video.
Scan QR code
for rearward
facing ISOFLEX®
installation video.

Instructions for Installation & Use 3
CHILD SEAT FEATURES - FORWARD FACING 48
SET UP
• GENERAL INFORMATION 50
• FORWARD FACING RECLINE POSITIONS 51
• INSTALLING INTO YOUR VEHICLE 52
• SEATBELT FOR FORWARD FACING 54
• ISOFLEX®FOR FORWARD FACING 56
• TOP TETHER FOR FORWARD FACING 58
• OPEN ADVANCED SIDE IMPACT CUSHION TECHNOLOGY 61
• HEADREST AND SHOULDER HARNESS 62
• REMOVE CHILD FROM CHILD SEAT 65
• CLOSE ADVANCED SIDE IMPACT CUSHION TECHNOLOGY 66
• REMOVE CHILD SEAT FROM VEHICLE SEATBELT 67
• REMOVE CHILD SEAT FROM VEHICLE ISOFLEX®69
FORWARD FACING
CARE & MAINTENANCE
CONTENTS
CARE AND MAINTENANCE 71
• CLEAN HARNESS BUCKLE 72
• REMOVE COVER 73
• REPLACE COVER 76
ACCESSORIES 79
INSTALLATION OF VEHICLE UPPER ANCHOR POINT 82
IN CASE OF ACCIDENT 87
WARRANTY 92
Scan QR code
for forward
facing seatbelt
installation video.
Scan QR code
for forward
facing ISOFLEX®
installation video.

Instructions for Installation & Use
4
QUICK START GUIDE
- REARWARD FACING SEATBELT
4
Hey, before you install me!
Don't forget to note your serial number found on the seat to complete your warranty registration.
9
1
Remove infant insert
Lift up middle cover
10
Fit
rmly
to car
seat
12
13 14
15
8
7 Press
NO TWISTS
Engage
buckle
3
52
Pull
Press
5
6
11
Check angle

Instructions for Installation & Use 5
Harness
Straps
not below
green zone
QUICK START GUIDE
- REARWARD FACING SEATBELT
Store
strap
Attach
tether
clip
Pull to tighten
Deploy SICT
Engage Tongues
16
18
20 21 22
25
23
26
24
17
19
Pull
Push
Replace middle cover
Push down
Pull
Replace infant insert
27
28
Remove
slack
Lengthen Top Tether
NO TWISTS NO SLACK
ALWAYS ENSURE:
BUCKLE IS SECURE.
REMOVE SLACK
AND TWISTS FROM
HARNESS AND TOP
TETHER.
Pull
Lift headrest adjuster

Instructions for Installation & Use
6
Hey, before you install me!
Don't forget to note your serial number found on the seat to complete your warranty registration.
QUICK START GUIDE
- REARWARD FACING ISOFLEX®
Push down
Pull to tighten
Press to
lengthen
Connect
ISOFIX
10
12 13
14
4
7
1
6
5 Press
3
Unhook clip on cover
52
11
9
8
Push button
and de-latch

Instructions for Installation & Use 7
QUICK START GUIDE
- REARWARD FACING ISOFLEX®
Harness
Straps
not below
green zone
Store
strap
21
23
16
Hook clip on cover
15
24
16
Pull to tighten
18 19 20
17
NO TWISTS NO SLACK
22
Deploy SICT
Engage Tongues
Attach
tether
clip
Pull
ALWAYS ENSURE:
BUCKLE IS SECURE.
REMOVE SLACK
AND TWISTS FROM
HARNESS AND TOP
TETHER.
Lift headrest adjuster

Instructions for Installation & Use
8
Store
strap
Pull
Push
Hey, before you install me!
Don't forget to note your serial number found on the seat to complete your warranty registration.
QUICK START GUIDE
- FORWARD FACING SEATBELT
5
6
11
10
14
Push
down
7
3
89
Press
1
Behind Harness
Fit rmly to car seat Engage
buckle
Remove
slack
Under
Hook
4
Lengthen Top Tether
2
Pull to tighten
12 13
NO TWISTS NO SLACK
Attach
tether
clip

Instructions for Installation & Use 9
Harness
Straps
not below
green zone
Shoulder Level
25mm max
QUICK START GUIDE
- FORWARD FACING SEATBELT
18
19 20
15
21
22
16
15 Press 17
Lift headrest adjuster
Deploy SICT
Engage Tongues Pull
ALWAYS ENSURE:
BUCKLE IS SECURE.
REMOVE SLACK
AND TWISTS FROM
HARNESS AND TOP
TETHER.

Instructions for Installation & Use
10
Hey, before you install me!
Don't forget to note your serial number found on the seat to complete your warranty registration.
QUICK START GUIDE
- FORWARD FACING ISOFLEX®
ISOFIX
Push down
Pull to tighten
Pull
Push
13
12
5
9 10
Remove
slack
14
NO TWISTS
Press to
lengthen
8
3
Push button
and de-latch
7
Connect
Unhook clip on trim
Hook clip on trim Lengthen Top Tether
6
11
4
1
Attach
tether
clip
Press
2