Toyota Yaris Owner's Manual page 64

64
1-1. For safe use
Installing child restraints using a seat belt
Rear-facing  Baby seat/child seat

1
Place the child restraint sys-
tem on the rear seat facing
the rear of the vehicle.
2
Run the seat belt through the
child restraint system and
insert the plate into the
buckle. Make sure that the
belt is not twisted.
3
Install a locking clip near the
tab of the lap and shoulder
belt by inserting the lap and
shoulder webbing through
the recesses of the locking
clip. Buckle the belt again. If
the belt has any slack,
release the buckle and rein-
stall the locking clip.