diono.com
radian 3QX
8
9
SAFE USE GUIDE
DO NOT
place this child restraint rear-facing in
a vehicle seating location with an active front air
bag.
Choose the proper child restraint belt path
1. REAR-FACING SECTION
2. FORWARD-FACING SECTION
3. BOOSTER MODE SECTION
• Rear-Facing:
4–50 lb (1.8–22.7 kg) and whose height
is between 18–44 in. (46–112 cm)
• Forward-Facing:
22–65 lb (10–29.5 kg) and whose
height is between 30–57 in. (76–145 cm)
• Booster:
40–120 lb (18–54 kg) and whose height is
between 40–57 in. (101–145 cm).
• Infants who weigh less than 22 lb (10 kg) and are under
1 year old,
MUST use this child restraint rear-facing.
For newborn infants, you must consult the infant’s
doctor before using this child restraint. A newborn
infant may have difficulty breathing or have other
medical problems when placed in a seated position.
Before installing this child restraint in a vehicle, be
sure to also check the vehicle owner’s manual for
information on proper installation.
Check all installation configurations before discarding the
box. Diono cannot guarantee proper fit in all vehicles.
SAFE USE CHECKLIST
Booster Mode with Lap/Shoulder ONLY
40–120 lb (18–54 kg)
Forward-Facing with 5-Point Harness
22–40 lb (10–18 kg)
WITH
SafeStop Only
40–65 lb (18–29.5 kg)
WITHOUT
SafeStop
Rear-Facing with 5-Point Harness
US:
4–22 lb (1.8–10 kg)
MUST
be Rear-Facing
22–50 lb (10–22.7 kg)
CAN
be Rear-Facing
CA:
1.8–22.7 kg (4–50 lb) Rear-Facing
RADIAN 3 RXT
US ENGLISH
4 lb
(1.8 kg)
22 lb
(10 kg)
40 lb
(18 kg)
50 lb
(22.7 kg)
65 lb
(29.5 kg)
120 lb
(54 kg)