Chicco Corso Owner's Manual page 33

How to Use the Infant Car Seat Adapter
22B. Line up the Tongues on both
22
B
sides of the Infant Car Seat Adapter
to the slots on the Stroller frame
as shown. Push down until it clicks
into place. Pull up on the Infant
Car Seat Adapter to make sure it
is securely attached to the Stroller
Frame.
"CLICK!"
33