For Built-In Harness Only; With Or Without Built-In Harness - Graco Smart Seat Owner's Manual

7.4 For Built-in Harness Only

Lap Belts - Manually adjusted when
buckled, the belt is tightened
manually by pulling on the free end.

7.5 With or Without Built-in Harness

Combination Lap/Shoulder Belt with
Locking Latch Plate - Once it is buckled, this
type of belt has a latch plate that will not
allow the lap portion of the belt to loosen. Belt
is tightened by pulling hard on the shoulder
portion of the vehicle belt while pushing
down hard on the child restraint.
Lap Belts with Automatic Locking
Retractor (ALR) - The automatic locking
retractor will not permit the lap belt to
lengthen once it is buckled. Tighten the
belt by feeding the belt back into the
retractor while pushing down hard on the
child restraint.
Combination Lap/Shoulder
Belt with Sliding Latch Plate -
This belt has a latch plate that
slides freely along the belt.
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