Britax Safe-nSound 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. BS3300A-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 27
• RECLINE ANGLE 29
• SEATBELT FOR REARWARD FACING 31
• ISOFLEX®FOR REARWARD FACING 35
• TOP TETHER FOR REARWARD FACING 39
• OPEN ADVANCED SIDE IMPACT CUSHION TECHNOLOGY 41
• HEADREST AND SHOULDER HARNESS 42
• REMOVE CHILD FROM CHILD SEAT 45
• REMOVE CHILD SEAT FROM VEHICLE SEATBELT 46
• REMOVE CHILD SEAT FROM VEHICLE ISOFLEX®47
• STORE REBOUND BAR AND COVER 49
• CLOSE ADVANCED SIDE IMPACT CUSHION TECHNOLOGY 50
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.
06/04/2021 https://tiny.cc/tiny/31881717/qr/print/l
https://tiny.cc/tiny/31881717/qr/print/l 1/1
06/04/2021 https://tiny.cc/tiny/31881729/qr/print/l
https://tiny.cc/tiny/31881729/qr/print/l 1/1

Instructions for Installation & Use 3
CHILD SEAT FEATURES - FORWARD FACING 51
SET UP
• GENERAL INFORMATION 53
• FORWARD FACING RECLINE POSITIONS 55
• INSTALLING INTO YOUR VEHICLE 56
• SEATBELT FOR FORWARD FACING 58
• ISOFLEX®FOR FORWARD FACING 61
• TOP TETHER FOR FORWARD FACING 66
• HEADREST AND SHOULDER HARNESS 68
• OPEN ADVANCED SIDE IMPACT CUSHION TECHNOLOGY 71
• REMOVE CHILD FROM CHILD SEAT 72
• REMOVE CHILD SEAT FROM VEHICLE SEATBELT 73
• REMOVE CHILD SEAT FROM VEHICLE ISOFLEX®75
• CLOSE ADVANCED SIDE IMPACT CUSHION TECHNOLOGY 77
FORWARD FACING
CARE & MAINTENANCE
CONTENTS
CARE AND MAINTENANCE 78
• CLEAN HARNESS BUCKLE 79
• REMOVE COVER 80
• REPLACE COVER 82
ACCESSORIES 84
INSTALLATION OF VEHICLE UPPER ANCHOR POINT 87
IN CASE OF ACCIDENT 92
WARRANTY 96
Scan QR code
for forward
facing seatbelt
installation video.
Scan QR code
for forward
facing ISOFLEX®
installation video.
06/04/2021 https://tiny.cc/tiny/31881590/qr/print/l
https://tiny.cc/tiny/31881590/qr/print/l 1/1
06/04/2021 https://tiny.cc/tiny/31881702/qr/print/l
https://tiny.cc/tiny/31881702/qr/print/l 1/1

Instructions for Installation & Use
4
QUICK START GUIDE
- REARWARD FACING SEATBELT
Pull
Press
Press
1
2
6
7
8
13
11
15
14
4
Hey, before you install me!
Don't forget to note your serial number found on the seat to complete your warranty registration.
16
Lift out middle cover
12
10
9
Remove
infant insert
5Cover
3
Do not trap buckle
under seatbelt
Lift + latch

Instructions for Installation & Use 5
33
Harness
Straps
not below
green zone
QUICK START GUIDE
- REARWARD FACING SEATBELT
Store
strap
Attach
Pull to tighten
Remove slack
Lift
Remove slack
17 18
20
21 22 23
26
24
27
25
19
Pull
Push
Replace
infant insert
Replace middle cover
28
29
30 Infant use only
DO NOT USE

Instructions for Installation & Use
6
1
14
17 19
11
10
Remove
infant insert
Hey, before you install me!
Don't forget to note your serial number found on the seat to complete your warranty registration.
Lift out middle cover
Under cover
slide button to
release door
Press button
and remove
Lift
door
15
16
Press
9
18
QUICK START GUIDE
- REARWARD FACING ISOFLEX®
13
Pull
Press
7
8
12
2
3
Press to lengthen
Pull
5
4
Lift + latch
6

Instructions for Installation & Use 7
33
Harness
Straps
not below
green zone
Attach
Pull
Remove slack
Lift
20 21
23 26 27
31
32
29 30
Replace
infant insert
Close door and
replace middle cover Push down
Pull to
tighten
QUICK START GUIDE
- REARWARD FACING ISOFLEX®
22
25
24
Pull
Push
Store
strap
28
33
34 Infant use only
DO NOT USE

Instructions for Installation & Use
8
Pull
Press
13
12
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
Lift out
middle
cover
Fold up &
Close Studs
Press grey button
Open
Remove Cover
Store
away
Under cover
slide button to
release door
Lift
door
1
2
3
5
4
6 7
8
9
10 11
12
15 16
13 Press
14
Remove infant insert
DO NOT USE

Instructions for Installation & Use 9
Harness
Straps
not below
green zone
Shoulder Level
25mm max
Store
strap
Attach
Remove slack
Pull
Push
Lift
QUICK START GUIDE
- FORWARD FACING SEATBELT
Pull to tighten
Replace
middle
cover
Remove
slack
17 18 19
20
21 22 23
25 26
27 28
29
30
24

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®
Lift
door
Under cover
slide button to
release door
13
12
Lift out
middle
cover
Fold up &
Close Studs
Remove Cover
Store
away
Under cover
slide button to
release door
Lift
door
1
2
4
5
67
8
10
Pull
Press
11
12
15 16 18
17
109
Press grey button
Open
3
14
Remove infant insert
DO NOT USE
13 Press