[Neil.]

Try this

PHP код:

if(dialogid == 100)
    {
        if(response)
        {
            if(listitem == 0)
            {
                new part1[] = "\n/car - Info about your vehicle\n/cars - Statistics about the server vehicles\n/buycar\t\t- Buy a vehicle\n/sellcar - to sell your vehicle\n/callcar - call your vehicle";
                new part2[] = "\n/watch[car/off] - to spectate your vehicle\n/[Un]lock - To lock/unlock your vehicle\n/resetcar - to reset your vehicle to the parked position\n/eject[all] - To eject a player from your vehicle";
                new string[400]; //128 is way to small (part2 = nearly 200)
                format(string, sizeof(string),"%s %s",part1,part2);
                ShowPlayerDialog(playerid, 100, DIALOG_STYLE_MSGBOX,"Vehicle Car System",string,"Done","");
            }
        }
    }