Graco NAUTILUS SNUGLOCK LX Instruction Manual page 84

4. Buckle the Vehicle Lap/Shoulder
Seat Belt
Pull up on the shoulder belt to remove all
the slack. Be sure the lap portion of the
vehicle seat belt goes behind the armrests.
Be sure the lap portion of the vehicle seat
belt lies low across your child's hips.
Be sure the shoulder belt lies across your
child's shoulders, between the neck and
edge of shoulder.
You may need to use the belt positioning
clip to help get a good fit.
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