Peg-Perego PRIMO VIAGGIO 4.35 Owner's Manual page 43

How to raise or lower the Shoulder Straps
The correct height of the side protection
panel is when the shoulder strap slots
are located just below shoulder level
(green area), as shown in the picture (d).
Make sure belts are not in the red area.
Important! This restraint is designed for
childs up to 32 inches (81.3 cm) in length.
The top of the child head should not exceed
the top of the seat back by at least one
inch (2.5 cm) as shown in the picture (e).
With the growing child, additional
cushions can be removed (see
page 44 for additional information).
Important! Make sure that the chest
harness and all the straps are flat and not
twisted on the back or the front of the car
seat.
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