Lexus IS250 U Owner's Manual page 61

Installing child restraints using a seat belt (child restraint lock function
belt)
Rear-facing  Infant seat/convertible seat
■
Place the child restraint system
1
on the rear seat facing the rear of
the vehicle.
Run the seat belt through the
2
child restraint system and insert
the plate into the buckle. Make
sure that the belt is not twisted.
Fully extend the shoulder belt and
3
allow it to retract to put it in lock
mode. In lock mode, the belt can-
not be extended.
IS350/250_U (OM53C50U)
1-1. For safe use
61
1