The First Years TRUE FIT 630 - Manual (Page 36)

Section 7 - Installation and Use
7.7 Selecting the Harness Height Location
Rear Facing Harness Strap Height-Harness straps
should be located in the nearest position at or below
the shoulder.
The True Fit has been safety tested with the

height
insert and head pillows that are included with this
restraint. The height insert is needed until the child’s
shoulder is at or above position 1.
Forward Facing Harness Strap Height - Harness
strap should be located in the slot at or slightly above
the child’s shoulder
Forward Facing
Harness
Rear Facing
Harness 
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