Radian® 3RXT SafePlus™

18 upgrades from the Radian® 3RXT®

Meet the latest addition to the Original 3-across Family, Radian® 3RXT® SafePlus™.

Designed, engineered, and tested with SafePlus™ the all-new Radian® 3RXT® SafePlus™ is a combination of everything our Diono Family know and love about the award-winning all-in-one convertible car seat, but with advanced comfort, protection, and safety.

Standout features include the SafePlus™ anti-rebound bar to reduce rebound rotation by up to 50%. The Safe+ easy adjust 12-position headrest offers a 22% increase in occupancy from the Radian® 3RXT®, and complete 3-stage newborn protection means you can travel safely with your VIP from 4 lbs.

Discover new ways to fall in love again with Radian®.

The best just got better

Safety, Style & Comfort All-in-One.

10 years one car seat

From rear-facing to forward facing Radian® 3RXT® SafePlus™ adapts as your child grows from birth to booster. Suitable from 4 - 120 lb / 1.8 - 54 kg.

The original Radian® 3 across

Built with our famous Radian® slim fit convertible design for a 3-across fit with any Diono Radian® combination without compromising child or passenger comfort. Feel safe having your children secure in the backseat.

Complete rear-facing protection

SafePlus™ steel anti-rebound bar reduces rebound rotation by up to 50% for extended rear-facing travel up to 50 lb.

SafePlus™ engineering

Features a unique combination of engineering features and testing to the highest safety standards to ensure we have the safest seat possible.

22% increase in occupancy space

The updated head support achieves a 22% increase in occupancy space from the original 3RXT® and grows with your child to keep them safe and comfortable for up to 10 years.