GMC Buick Encore GX 2020 Owner's Manual page 91

90 Seats and Restraints
through or around the child
restraint. The child restraint
instructions will show you how.
Tilt the latch plate to adjust the
belt if needed.
4. 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.
5. 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.