Toyota PRIUS Manual page 253

Installing child restraints using a seat belt (child restraint lock
function belt)
Rear-facing  Baby seat (infant seat)/child seat (convertible

seat)
STEP 1
STEP 2
STEP 3
PRIUS PHV_OM_OM47831E_(EE)
1-9. Safety information
Place the child restraint system
on the rear seat facing the rear
of the vehicle.
Run the seat belt through the
child restraint system and insert
the plate into the buckle. Make
sure that the belt is not twisted.
Fully extend the shoulder belt
and then allow it to retract to put
it in lock mode. In lock mode, the
belt cannot be extended.
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