Graco 8482 Owner's Manual page 26

harness, you must use a vehicle seat with a
lap/shoulder belt.
Lap/shoulder combination belt with a locking
latchplate . Once it is buckled, this type of
belt has a latchplate that will not allow the lap
portion of the belt to loosen. This vehicle belt
does not require a locking clip.
Lap/shoulder combination belt with a latch-
plate that can slide freely along the belt .
This type of belt MUST be
converted to prevent
movement of the lap portion
of the belt. You must use the
Locking clip
locking clip provided with
the car seat (see "To install the locking clip" on
page 31), unless your vehicle's seat belt can be
converted in another way that is described in
your vehicle owner's manual. Failure to use the
locking clip or convert the seat belt in another
way will allow the car seat to move out of
position. See your vehicle owner's manual or
contact your vehicle manufacturer for more
information.
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