Graco Extend2Fit Instruction Manual page 98

Locking Latchplate and ELR
Retractor
A latchplate that holds the lap belt snug
after it has been adjusted; contains
a metal bar on the underside of the
hardware that "locks" the belt in position.
When installing the car seat, route the
vehicle seat belt through the proper belt
path and buckle it in. Then, pull upwards
on the shoulder belt so that the lap belt
gets tight around the car seat.
Grab the sides of the seat at the belt path and
slide the seat side-to-side and front-to-back.
The seat should not move more than 1"
(2.5 cm).
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