diono.com
radian 3RX
2
3
FRANÇAIS
ESPAÑOL
REGISTER THIS CAR SEAT
Certification
Safe Use Guide & Checklist
Warnings & Safe Practices
Car Seat Use After a Crash
Parts
Vehicle Seating Locations
LATCH/UAS
First Setup
REAR-FACING INSTALLATION
Rear-Facing Checklist, Rear-Facing Base & Top Tether
LATCH/UAS Installation
Lap/Shoulder Belt Installation
Lap Belt Installation
FORWARD-FACING INSTALLATION
Forward-Facing Checklist
Adjustable Bottom, Top Tether & Safe Stop
LATCH/UAS Installation
Lap/Shoulder Belt Installation
Lap Belt Cushion & Lap Belt Installation
BOOSTER MODE INSTALLATION
Securing Your Child & Changing Harness Position
Harness Removal & Replacement
Belt Locking Clip
Aircraft Installation
Comfort Features
Care and Maintenance
WARRANTY
CONTENTS BEFORE YOU BEGIN
76
150
4
6
7–10
11–15
16–17
18–19
20–22
23
24–27
28–40
29–32
34–36
37–38
39–40
41–57
42–43
44–46
47–50
51–53
54–57
58–61
62–65
66
67
68
69
70–71
72–75
WE LOVE TO HELP
Hello there, Welcome to the Diono family!
We’ve created this lovingly engineered car seat
to help keep your child comfortable and safe
with all of the goods and none of the gimmicks.
We look forward to lending a helping hand each
and every day :)
Any questions?
Diono U.S.: 1-855-463-4666
Diono Canada: 1-866-954-9786
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