Lexus NX350 2022 Owner's Manual page 38

1-3. Preparations for safe driving with children in the vehicle
Mass group
9 to 18 kg (20 to
I
39 lb.)
15 to 25 kg (34
Ⅱ
to 55 lb.)
22 to 36 kg (48
Ⅲ
to 79 lb.)
36
Child weight
B
B1
C
D
—
Size class Fixture
F2
F2X
R3
R2
B2, B3
Description
Reduced-height
forward-facing
child restraint
systems
Reduced-height
forward-facing
child restraint sys-
tems
Full-size, rearward-
facing child re-
straint systems
Reduced-size,
rearward-facing
child restraint sys-
tems
Junior seat