Press the adjustment button at the lower right of the seat. According to car home's inquiry, Jiahua car seat has the function of adjusting the leg rest, and passengers can find the button at the lower right of the seat to adjust it up and down. Jiahua Automobile is a large MPV of Dayue Dongfeng Kia, which is improved on the basis of its prototype, Kia Camnival of Korea. The word carnival originated from Latin and later evolved into English, meaning "celebration and large-scale celebration".