Lexus GS 350 Owner's Manual page 63

While pushing
4
restraint system down into the
rear seat, allow the shoulder
belt to retract until the child
restraint system is securely in
place.
After the shoulder belt has
retracted to a point where there is
no slack in the belt, pull the belt to
check that it cannot be extended.
Forward-facing  Convertible seat
■
Rear outboard seats:
1
Remove the head restraint.
Place the child restraint system
2
on the seat facing the front of
the vehicle.
the child
1-1. For safe use
61
1