Is it permissible for a father to bequeath a car to one of his children to the exclusion of others, knowing that there is no bequest to an heir, and that the car was not transferred to the possession of the donee during the father's lifetime?

If a father bequeaths a car to one of his sons after his death or gifts it to him during his lifetime, it enters into the inheritance and is distributed among all heirs. A bequest to an heir is not enforceable unless the other heirs agree to it. Whoever among them approves it, provided they are adult and of sound mind, forfeits their share. Whoever insists on their right takes it. As for a minor, their approval is not considered. The proof for this is the Prophet Muhammad's (peace be upon him) saying: "Indeed, Allah has given every rightful person their right, so there is no bequest for an heir," and in another narration: "A bequest to an heir is not permissible unless the heirs wish it." Scholars have reached a consensus on this. As for a gift made during one's lifetime, justice must be observed among the children. It is advised not to demand a bequest that contravenes Islamic law.