Graco 4EVER DLX SNUGLOCK Instruction Manual page 105

6-D Securing Child Highback 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
booster seat.
2. Thread Vehicle's Shoulder Belt Into
Seat Belt Guide in the Headrest
105