Seggiolino per auto

Child car seat (1) comprising: a backrest (2) extending between a lower portion (21) and an opposite upper portion (22) along a longitudinal direction (X-X); a sitting portion (3) connected to the backrest (2) at the lower portion (21) of the backrest (2); a headrest (4) connected to the backrest (2) at the upper portion (22) of the backrest (2); adjusting means (5) configured to adjust the position of the headrest (4) between a lower position and an opposite upper position along the longitudinal direction (X-X), the distance of the headrest (4) from the lower portion (21) of the backrest (2) along the longitudinal direction (X-X) increasing from the lower position to the upper position; wherein the adjusting means (5) comprise: a first guide (51) fixed to the backrest (2) and arranged along the longitudinal direction (X-X); a slider (52) movable along the first guide (51) and switchable between a first configuration, in which the slider (52) is movable along the first guide (51) to move the headrest (4) between the lower position and an intermediate position comprised between the lower position and the upper position, and a second configuration, in which the slider (52) is movable along the first guide to move the headrest (4) between the intermediate position and the upper position.