Diono Radian 3RXT Manual De Instrucciones página 52

7. Test for tightness. Grab the side
of the car seat with one hand
where the seat belt strap is and
slide the seat side-to-side and
front-to-back. If the seat moves
7
less than 1 in (2.5 cm), it is tight
enough. Do not test by grasping
the top or front of the car seat.
52
Radian® 3RXT