[Misiur]

Op, try this

pawn Код:

public OnPlayerSpawn(playerid) {
    ShowMenuForPlayer(carspawnmenu, playerid);      
    //Otherstuff
}
public OnPlayerSelectedMenuRow(playerid, row) {
    new Menu:CurrentMenu = GetPlayerMenu(playerid);
    if(CurrentMenu == carspawnmenu)
    {
        new cid = 0;
        switch(row)
        {
            case 0: cid = 542;
            case 1: cid = 600;
            case 2: cid = 410;
            case 3: cid = 549;
            case 4: cid = 478;
            case 5: cid = 604;
            case 6: cid = 517;
        }
        CreateVehicle(cid, 2816.1345, -2438.1392, 12.5097, 90.0000, -1, -1, 0);
    }
    
}

(make sure you have globabl carspawnmenu variable)