asalvo TRIO MALDIVAS Manuel D'instructions page 35

INSTALL THE PRAM
35
In order to unfold the pram body, remove the bedding and the mattress,
and then squeeze the metal tensioners on the bottom plate of the pram
body in the direction of the arrows(pic 16a), until it locks in special
holders. You should hear a "click"sounds locking the tensioner in the
holder
NOTE! The pram body is designed for children up to 6 months old weighing
up to 9 kg, which cannot sit, kneel or trundle by themselves. Stop using
the stroller body if your child starts sitting kneeling or trundling by itself
WARING: Do not use an additional mattress of thickness of more than
15mm.
The pram body canopy has 4-step adjustment. In order to adjust it, press
simultaneously the buttons located at the base of the carrying handle
and adjust the desire position. The external canopy rant is also a carrying
handle. In order to move the stroller body by holding the handle, place it
in the top position
NOTE! Make sure that the carrying handle is locked in the correct position
before you move the pram body