How to Lock Your Lap and Shoulder Vehicle Seat Belt
Note: With the vehicle seat belt in this locking mode, all the tension is upwards in the
shoulder belt. This may start to tilt your car seat sideways. If this happens, use a locking clip
instead of this switching the retractor. See Sliding Latch Plate and ELR Retractor.
Sliding Latch Plate and Switchable
Retractor
A latchplate that slides freely on the belt webbing
and cannot, by itself, hold the belt snug around a
car seat.
When installing the car seat, route the vehicle seat
belt through the proper belt path and buckle it in.
Slowly pull the shoulder belt all the way out
to switch it to locking mode. Then, as you pull
the vehicle seat belt tight, feed all the slack back
into the retractor.
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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