Graco booster seats are products designed to help secure a child in the back seat of a car or van. They are similar in appearance to baby seats, but they use one of the vehicle's own shoulder-and-lap safety straps instead of a built-in harness system. As such, they are well-suited to children who are too large for a baby seat, but not quite big enough for the shoulder-and-lap strap to secure them safely. Installing a Graco booster seat is fairly straightforward, but you must take care to ensure that the safety strap is properly positioned when in use.
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Place the booster seat in the vehicle's back seat, next to one of the shoulder-and-lap safety straps. If desired, remove the back support by pushing it forward until it disengages from the booster seat. Once you have removed the support, insert the shoulder-belt positioning strap through the seat's rear guide and use the attached loop to secure it in place.
Push the booster seat against the back seat as far as possible. Place your child into the booster seat, then pull the safety strap over the seat and child.
Pass the sections of the strap underneath the arm rests, then insert the end of the strap into the safety buckle.
With Back Support
Position the shoulder strap over your child's shoulder. Slide the shoulder strap into the guide on the seat's headrest.
Ask your child to lean forward, then grip the handle located on the rear of the back support. Push the red adjustment button to disengage the back support lock.
Position the bottom edge of the headrest next to the child's shoulders. Release the red adjustment button to engage the back support lock.
Without Back Support
Grip the clip attached to the shoulder-belt positioning strap. Lift the clip up to the top of the child's shoulders.
Slide one edge of the shoulder strap through the gap in the clip. Pull the strap through until it is completely inside the clip.
Tug on the end of the shoulder-belt positioning strap until the clip that is holding the shoulder strap is snug against the child's shoulders.