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Our products are engineered and tested to the highest safety standards to keep children as safe as possible.

Built For Busy Back Seats

Engineered with advanced safety features to protect your Very Important Passenger from head-to-toe, Radian® 3QX adapts to your busy back seat to fit 3-across in any combination.

Radian® 3RXT® SafePlus™

Radian® 3RXT® SafePlus™

The New and Improved Radian®

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.

Shop Radian® 3RXT® SafePlus™
Radian® 3RXT® SafePlus™
Meet the Radian® family

Designed to protect yours.

Explore Radian®

Lifetime Journey Care™

10 years of care. Two ways to pay. Endless savings.

10 year warranty
Instant Savings
Exchange Program
1 2 3 Across
Endless Savings
Refresh Your Backseat