Cadillac XT6 2023 Owner's Manual page 104

3. Push the latch plate into
the buckle until it clicks.
Position the release button
on the buckle, away from
the child restraint, so that
the seat belt could be
quickly unbuckled if
necessary.
There must not be direct
contact of the child
restraint to the push
button.
4. Pull the shoulder belt all
the way out of the
retractor to set the lock.
When the retractor lock is
set, the belt can be
tightened but not pulled
out of the retractor.
Seats and Restraints
5. To tighten the belt, push
down on the child restraint,
pull the shoulder portion of
the belt to tighten the lap
portion of the belt, and
feed the shoulder belt
back into the retractor.
When installing a
forward-facing child
restraint, it may be helpful
to use your knee to push
down on the child restraint
as you tighten the belt.
Try to pull the belt out of
the retractor to make sure
the retractor is locked.
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