How much room do I need to rear-face with the radian 3QX?

A rear facing Radian uses 30-36 inches (76 - 91.4 cm) between the vehicle's backseat and seat back of the front seat.

If you’d like to find out more about the Diono Radian 3QXT visit our store: https://store.diono.ca/radian-3qxt/