[[NYRP]Mike.]

pawn Код:

new Mafia[MAX_PLAYERS];

OnPlayerEnterVehicle(playerid, vehicleid, is passenger)
{
     new VM = GetVehicleModel(vehicleid);
     if(VM == 560 && Mafia[playerid] != 1 && !ispassenger)
        {
           RemovePlayerFromVehicle(playerid);
           SendClientMessage(playerid, COLOR, "This vehicle belongs too the Mafia, You can't use it!");
        }
        return 1;
}

Here try this it's untested.