Radian® 3RXT® SafePlus™ Max

Radian® 3RXT® SafePlus™ Max Car Seat, Anti-Rebound Panel, Rear-Facing Base, Comfort Harness Pads, Side Impact Management Pod, comfort Insert, Cup Holder, Crotch Buckle Cover, Car Seat Manual and Registration Cards

Accessories that pair well with the Radian® 3RXT® SafePlus™ Max include: The Ultra Mat, Stow n’ Go, Easy View Mirror and See Me Too Mirror.

No. Always follow our guidelines regarding use of items not included with the child restraint. We only recommend using accessories and spare parts from Diono® as all of these have been tested for use.

Yes, you should always read your Radian® 3RXT® SafePlus™ Max product manuals and the vehicle's instruction manual that you plan to install it in before use. Find more information here.

Your manual is attached to the seats harness straps when you open the box. After you have read it, you must store the car seat manual in the storage compartment flap on the backside of the seat.

Yes, you can use your Radian® 3RXT® SafePlus™ Max for a newborn. We recommend rear-facing from 2.3 - 54 kg, about 4 years old. Radian® 3RXT® SafePlus™ Max comes with an infant positioning liner and travel high wedge that you can use for your newborn.

Yes, you can use your Radian® 3RXT® SafePlus™ Max car seat for your toddler. We recommend rear-facing until 50 lb and then forward-facing from 50 lb to 65 lb forward-facing in the 5-point harness.

Yes, you can use your Radian® 3RXT® SafePlus™ Max for your big kid. We recommend forward-facing in the 5-point harness until 65 lb and then as a high back booster until 120 lb.

Minimum of 51 in is needed between the car's interior structures to fit your Radian® 3RXT® SafePlus™ Max. Radian® car seats fits 3-across in most mid-sized sedans. Learn more here.

The anti-rebound panel reduces rearward rotation of the car seat by up to 50% in the event of a crash. This ensures your child stays protected after the primary impact of the collision.

Our car seat fabrics are tested to ensure they do not contain any legally restricted harmful flame retardants. We do not use Brominated or Chlorinated flame retardants in any of our car seats.

Safety is paramount. Diono® ensures compliance with US Federal Motor Vehicle Safety Standards (FMVSS), US National Highway Traffic Safety Administration (NHTSA), and Canadian Motor Vehicle Safety Standards (CMVSS), regularly testing all car seats.

Your Radian® 3RXT® SafePlus™ Max can be used rear-facing up to 50 lb or 44 in. We encourage rear-facing as long as possible since it is the safest way for children to travel!

You can use your Radian® 3RXT® SafePlus™ Max until 65 lb forward-facing with the 5-point harness and then until 120 lb as a high-back booster.

Your Radian® 3RXT® SafePlus™ Max uses 30-36 in between the vehicle's backseat and front seat back, depending on the vehicle's seat shape and contour.

The Radian® 3RXT® SafePlus™ Max has a life span of 10 years, starting from the time of purchase. If the date of purchase cannot be determined, then we use the date of manufacture.

Your Radian® is heavy due to Diono®'s commitment to safety with our reinforced automotive-grade high-strength steel core. Since it's launch, Radian®'s core has been protecting generations of kids daily.

Diono® is the only car seat manufacturer to offer a folding convertible car seat. This makes it the perfect travel seat as it is so compact and folds into a handy car seat travel backpack.

Your Radian® has a low seat base because as your child grows, they will want to get in and out of your car themselves. This low height makes it very easy for them to get into their seat before you harness them up.

The side wings on the base expand as your child grows. Parents and Kids really love this feature on the Radian® 3RXT® SafePlus™ Max as it makes travel so much easier.