Mazda CX-3 Manual page 40

Essential Safety Equipment
Child Restraint
4. To get the retractor into the automatic
locking mode, pull the shoulder belt
portion of the seat belt until the entire
length of the belt is out of the retractor.
5. Push the child-restraint system rmly
into the vehicle seat. Be sure the
belt retracts as snugly as possible. A
clicking noise from the retractor will be
heard during retraction if the system is
in the automatic locking mode. If the
belt does not lock the seat down tight,
repeat this step.
2–28
NOTE
Inspect this function before each use of
the child-restraint system. You should
not be able to pull the shoulder belt out
of the retractor while the system is in the
automatic locking mode. When you remove
the child-restraint system, be sure the
belt fully retracts to return the system to
emergency locking mode before occupants
use the seat belts.
6. If your child-restraint system requires
the use of a tether strap, refer to the
manufacturer's instructions to hook and
tighten the tether strap.