hey guys, my friends hyundai atos autogearbox ko d.. well this is what the symptoms show.. if u put in d the car dont move at all.. in N we cant push the car backward.. its like the wheels ara still locked in d mode.. so anyone knows where we can rebuild this gearbox and roughly how much it cost.. thanks in advance.. currently i asked him to try to change atf fluid and see.. as i know autogearbox is very sensitive..