Graco Nautilus SnugLock Grow Instruction Manual page 77

5-E Securing Child Backless Booster
Use only the vehicle lap and shoulder
belt system when restraining the child
in the booster seat.
1. Place Child In Seat
Have your child sit in the booster seat,
with his/her back flat against the back of
the vehicle seat.
2. Ears Must Be Below the Top of the
Vehicle Seat Back or Headrest
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