Britax UNITY Instructions For Installation And Use Manual page 26

HOW TO USE
PLACING BABY IN INFANT CARRIER
When positioning baby into Infant Carrier make sure baby's back is fully supported
onto the flat section and the baby's nappy area (bottom) is resting in the bottom
curvature as shown. It is recommended that bulky nappies are not used when baby
is travelling in the Infant Carrier as they can cause incorrect positioning of the baby's
back in the Infant Carrier.
A. Loosen Harness Straps by pressing the Harness
Adjuster while grasping both the Shoulder Harness
Straps and pulling out the desired amount of slack.
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Bottom curvature of
Infant Carrier
Press the Harness
Adjuster and pull Harness
Straps to loosen.
Flat section of
Infant Carrier