Buick 1998 Century Owner's Manual page 55

5. Push the latch plate (F) into the buckle until it clicks.
Be sure the buckle is free of any foreign objects that
may prevent you from securing the latch plates. If
you can't secure a latch plate, see your dealer for
service before using the child restraint.
6. In a single motion, pull the other side of the harness
all the way out. Keeping the harness pulled all the
way out, place it over the child's shoulder.
7 . Push the latch plate into the buckle until it clicks.
Pull on both latch plates
to
make sure they are secure.
A
green indicator will show in each latch plate window (G).
If the harness locks before the latch plate reaches the
buckle, let the harness go a11 the way back so it will move
freely again. Then repeat Steps 6 and 7. Be sure to keep
the harness pulled all the way out until you buckle it.
Once both sides of
the
lap-shoulder harness are pulled
out of the retractor and buckled, the harness will lock.
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