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Radian® 3QX

Radian® 3QX

The advanced 3 across All-in-One car seat

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

18 upgrades from the Radian® 3RXT

Meet the latest addition to the Original 3-across Family, Radian® 3RXT Safe+®. Designed, engineered, and tested with Safe+. A combination of everything our Diono Family know and love.

https://diono.com/asset/5fa0e8d16d77a
Meet the radian family

Designed to protect yours.

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Lifetime Journey Care™

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

10-year-warranty
10 year warranty
Saving-2
Instant Savings
exchange-program
Exchange Program
numbers
1 2 3 Across
endless-savings
Endless Savings
replacement
Refresh Your Backseat