asalvo baby TRIO TWO+ Manuel D'instructions page 21

Put the stroller seat into the adaptor until "click" once stroller seat is in
place, lift up the seat to ensure the safety Reversible seat system the
same way to place the carrier.
PLACE&DETACH THE SAFETY BAR
Insert the connecting hinger into hole until "click" when detached the
safety bar, please press the button and pull it up
PLACE THE SEAT INTO STROLLER
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