Cosco APT 50 - Forward-Facing Child Fit Guidelines; Head Position; Harness Strap Position; Max Seated Shoulder Height

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Need to make adjustments?
To change harness strap position, see pages 8-9.
To change buckle position, see pages 10-11.
Harness Strap Position
The harness strap must be at or
slightly above your child’s shoulders;
never below.
Max Seated Shoulder Height
In this car seat, the maximum seated
shoulder height is 17 in. (43 cm).
To measure your child’s seated
shoulder height: have them sit on
the fl oor with their back fl at against a
wall. Then measure from the fl oor up
to the top of their shoulder.
Buckle Position
The buckle can be used in any buckle
slot.
Choose the slot closest to your child.
The buckle should not be
underneath or behind your child.
Head Position
The tops of your child’s ears must be
below the top of the car seat.
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Max Seated
Height
17 in.
(43 cm)
Forward-Facing Child Fit
Fully Loosen Harness Straps
Push down on the harness release
lever (through the opening in the
pad) while pulling out on the harness
straps as shown.
Pull Harness Straps out of
Shoulder Harness Slots
Rethread Harness Straps into
Correct Shoulder Harness Slots
for Your Child
From Back of Car Seat,
Remove Harness Strap Loops
From Splitter Plate
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Changing Harness Strap Position
continued on next page
For Rear-Facing Child Fit, see page 6.
For Forward-Facing Child Fit, see page 7.