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The ultimate 3 across All-in-One car seat from birth to booster (4 – 120 lb / 1.8 – 54 kg). Featuring 3 stages of complete rear facing protection and all new Diono Safe+™ engineering to provide the next generation in car seat safety.
Features Safe+™ newborn travel high wedge, Safe+™ 2-in-1 infant positioning liner and Safe+™ steel anti-rebound bar for complete rear-facing protection.
SAFE+™ ENGINEERING:radian® 3QX is subjected to a combination of the most rigorous crash tests to make sure we have the safest seat possible. |
REAR-FACING FOR LONGER:Designed and engineered with all new Diono Safe+™ protection. Now you can keep your child rear facing for even longer up to 50 lb (approx. 4 years old). |
10 YEARS ONE CAR SEAT:With 4 ways to travel from birth to booster, the radian® 3QX adapts as your child grows to offer a custom fit from birth to 120 lb. |
SLIM-FIT DESIGN FITS 3 ACROSS:Built with our famous radian® slim fit design, to fit 3 across in most vehicles without compromising child or passenger comfort. |
Safe+™ newborn travel high wedge:
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Safe+™ 2-in-1 infant positioning liner:
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Safe+™ steel anti-rebound bar:
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SAFE+™ SIDE IMPACT PROTECTION:Featuring 6 layers of interlocking EPS & EPP foam, high density plastic and steel reinforcement to create ultimate side impact protection without compromising 3 across fit. |
Rear-facing
Forward-facing
Booster mode
Seated torso height
Overall maximum height
Weight
Most likely, yes, as long as you have 51” (129.6cm) in the back row from vehicle armrest to armrest. It may be necessary to install all three using the vehicle seat belt system.
Yes, we recommend using a damp cloth with a solution of water and baking soda to wipe the straps clean. They cannot be saturated in any liquid, or they will need to be replaced. Replacement harness straps can be purchased on our website.
Yes, the weight limit on the 3QX starts at 4 lbs. The newborn must also meet a length requirement where the top of their shoulders reaches the lowest harness slot on the seat.
Yes, they are required while your child is sitting in forward-facing. They are optional but recommended while sitting in rear-facing. The center buckle pad is required at all times.