- Description
- 3 STAGE REAR FACING PROTECTION
- SAFE+™ ENGINEERING
- REAR-FACING FOR LONGER
- 10 YEARS 1 CAR SEAT
- SLIM-FIT DESIGN FITS 3 ACROSS
- PRODUCT SPECS
- Reviews
- Shipping & Returns
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.
radian® 3QX is subjected to a combination of the most rigorous crash tests to make sure we have the safest seat possible.
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).
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.
Built with our famous radian® slim fit design, to fit 3 across in most vehicles without compromising child or passenger comfort.
Rear-facing
4-50 lbs / 1.8-22.7 kg
Forward-facing
22-65 lbs / 10-29.5 kg
Booster mode
40-120 lbs / 18-54 kg
Seated torso height
7.5-16.5″ / 19-42 cm
Overall maximum height
up to 57″ / 144.8 cm
Weight
25.8 lbs / 11.7 kg

Safe+™ newborn travel high wedge
Creates near lie-flat travel position for newborns while reducing head slump and helping to keep airways open. Simply remove as baby grows.

Safe+™ 2-in-1 infant positioning liner
Gives extra infant comfort and toddler body support. Simply remove as your toddler grows.

Safe+™ steel anti-rebound bar
One click connection to the seat base. Reduces rebound rotation by 50% in the event of a collision. Also provides more legroom when rear-facing.
Shipping Info:
Free 2 Day Shipping across Ontario & Quebec over $49.
Free 4 Day Shipping across rest of Canada over $49.
PO Boxes and Remote Areas (ie. Northwest Territories, Yukon) may incur extra charges which will be reflected at checkout.
Extended 45 Day Return Policy on most items!
Note: Sale Items are not returnable.
Click here for further details.
Shipping time is not guranteed.
Remote area in Canada may take a few days longer.